1 |
Leaves simple. |
|
(2) |
+ |
Leaves compound (only R. impressinervus with simple leaves). |
|
(11) |
|
|
|
|
2 (1) |
Carpels ca. 100 or slightly more; aggregate fruit terete or cylindrical; leaves peltate. |
|
79 R. peltatus |
+ |
Carpels ca. 10–60, rarely slightly more; aggregate fruit subglobose or ovoid-globose; leaves not peltate. |
|
(3) |
|
|
|
|
3 (2) |
Leaves palmately 3–5(–7)-divided, palmately 5-veined from base, pubescent along veins on both surfaces. |
|
(4) |
+ |
Leaves undivided or 3-lobed, palmately 3-veined from base, glabrous or hairy. |
|
(5) |
|
|
|
|
4 (3) |
Leaves ovate to narrowly ovate, 3–5-lobed; flowers 1–1.5 cm, several in clusters or in short terminal racemes; aggregate fruit ca. 1 cm in diam., glabrous. |
|
87 R. crataegifolius |
+ |
Leaves suborbicular, palmately (3–)5(–7)-parted; flowers 2.5–4 cm in diam., solitary; aggregate fruit 1.5–2 cm in diam., densely hairy. |
|
88 R. chingii |
|
|
|
|
5 (3) |
Plants glabrous, without glandular hairs. |
|
(6) |
+ |
Plants soft hairy, rarely pubescent only along veins. |
|
(8) |
|
|
|
|
6 (5) |
Flowers 3 or more, in short racemes; pistils ca. 10–50, glabrous. |
|
84 R. trianthus |
+ |
Flowers solitary; pistils 50–100, glabrous or tomentose. |
|
(7) |
|
|
|
|
7 (6) |
Leaf margin coarsely sharply serrate or doubly serrate; flowers red; pistils glabrous. |
|
85 R. grayanus |
+ |
Leaf margin simply serrate; flowers white; pistils densely gray tomentose. |
|
86 R. yanyunii |
|
|
|
|
8 (5) |
Plants with glandular hairs; flowers ca. 1.5 cm in diam.; aggregate fruit glabrous. |
|
80 R. glabricarpus |
+ |
Plants without glandular hairs; flowers 2–3 cm in diam.; aggregate fruit pubescent. |
|
(9) |
|
|
|
|
9 (8) |
Leaves broadly ovate or triangular-ovate, usually 3-parted to near middle; abaxial surface of calyx with sparse, straight needle-like prickles; flowers solitary or in clusters of 2 or 3. |
|
83 R. taitoensis |
+ |
Leaves ovate to ovate-lanceolate, undivided, rarely those of sterile branchlets 3-lobed; abaxial surface of calyx unarmed; flowers solitary or several in a cluster. |
|
(10) |
|
|
|
|
10 (9) |
Plants pubescent throughout; sepals ovate or triangular-ovate, 5–8 mm, acute to shortly acuminate; petals white, longer than sepals. |
|
81 R. corchorifolius |
+ |
Plants glabrous or slightly pubescent only on leaf veins; sepals triangular-lanceolate, 10–15 mm, acuminate to caudate; petals red, shorter than sepals. |
|
82 R. kwangsiensis |
|
|
|
|
11 (1) |
Leaves palmately compound; terminal leaflet sessile or nearly so. |
|
(12) |
+ |
Leaves imparipinnate, terminal leaflet prominently petiolulate. |
|
(13) |
|
|
|
|
12 (11) |
Leaves palmately 3-foliolate; leaflets pilose on both surfaces; branchlets, petioles, pedicel, and abaxial surface of calyx with glandular hairs; abaxial surface of calyx with needle-like prickles; aggregate fruit glabrous. |
|
77 R. pentagonus |
+ |
Leaves palmately 5-foliolate; leaflets pilose only along veins on both surfaces; branchlets, petioles, pedicel, and abaxial surface of calyx without glandular hairs; abaxial surface of calyx unarmed; aggregate fruit villous. |
|
78 R. quinquefoliolatus |
|
|
|
|
13 (11) |
Stipules and bracts ovate-lanceolate, ovate, or suborbicular. |
|
(14) |
+ |
Stipules and bracts linear, linear-lanceolate, or lanceolate, occasionally subulate. |
|
(15) |
|
|
|
|
14 (13) |
Stipules and bracts ovate-lanceolate to ovate; leaves 3(–5)-foliolate, terminal leaflet broadly ovate, 2- or 3-lobed, lateral leaflets coarsely doubly serrate; pedicel with minute prickles. |
|
75 R. lasiostylus |
+ |
Stipules and bracts broadly ovate or suborbicular; leaves 5(–7)-foliolate, terminal leaflet elliptic, undivided, lateral leaflets coarsely serrate; pedicel unarmed. |
|
76 R. wushanensis |
|
|
|
|
15 (13) |
Leaves 3-foliolate, rarely 5-foliolate, sometimes simple, leathery; carpels 70–100, rarely more. |
|
(16) |
+ |
Leaves (3–)5–11(–15)-foliolate, not leathery; carpels 10–70 or ca. 100 or more. |
|
(21) |
|
|
|
|
16 (15) |
Leaves simple; herbs; flowers solitary. |
|
74 R. impressinervus |
+ |
Leaves 3-foliolate, rarely 5-foliolate; shrubs or subshrubs; flowers several, in terminal corymbs, in clusters of 2 or 3, or solitary. |
|
(17) |
|
|
|
|
17 (16) |
Abaxial surface of calyx with hooklike prickles; petiolule of terminal leaflet 0.5–0.8 cm; leaflets lanceolate to narrowly lanceolate, coarsely serrate; flowers solitary or in clusters of 2 or 3. |
|
69 R. delavayi |
+ |
Abaxial surface of calyx unarmed; petiolule of terminal leaflet 1–2 cm; leaflets ovate to elliptic-lanceolate; flowers 1–8. |
|
(18) |
|
|
|
|
18 (17) |
Terminal leaflet nearly as long as or slightly longer than lateral leaflets; pistils 70–80, rarely to 100 or more; torus nearly sessile. |
|
(19) |
+ |
Terminal leaflet much longer than lateral leaflets; pistils more than 100; torus shortly stipitate. |
|
(20) |
|
|
|
|
19 (18) |
Leaflets ovate to ovate-elliptic, base rounded, coarsely sharply serrate; sepals ovate, apically acute; flowers 3–8 in terminal corymbs. |
|
70 R. leucanthus |
+ |
Leaflets narrowly elliptic to elliptic-lanceolate, base cuneate, densely sharply serrulate to incised-doubly serrate; sepals ovate-lanceolate, long caudate; flowers 1–3(–5). |
|
71 R. zhaogoshanensis |
|
|
|
|
20 (18) |
Leaflets elliptic or ovate-lanceolate, terminal one ca. 2 × as long as lateral leaflets, margin densely unevenly coarsely serrate; flowers 3–4 cm in diam., in terminal corymbs 3–7-flowered, rarely flowers solitary; ovary glabrous. |
|
72 R. columellaris |
+ |
Leaflets narrowly lanceolate, terminal leaflet ca. 4 × as long as lateral leaflets, margin remotely and shallowly serrulate; flowers 1.5–2 cm, solitary or in clusters of 2 or 3; apex of ovary pubescent. |
|
73 R. paucidentatus |
|
|
|
|
21 (15) |
Carpels ca. 100 or more, usually inserted on stipitate torus; terminal inflorescences corymbs, rarely short racemes, or flowers several in clusters or solitary. |
|
(22) |
+ |
Carpels 10–70 or slightly more, inserted on sessile torus. |
|
(32) |
|
|
|
|
22 (21) |
Plants without glandular hairs, but with glands, sometimes with sparse, short glandular hairs only on flowering branchlets or pedicel; flowers solitary or several in cluster, occasionally in short racemes. |
|
(23) |
+ |
Plants with glandular hairs; terminal corymbs several flowered or sometimes flowers solitary. |
|
(27) |
|
|
|
|
23 (22) |
Plants eglandular. |
|
(24) |
+ |
Plants glandular. |
|
(25) |
|
|
|
|
24 (23) |
Leaflets ovate or elliptic, rarely ovate-lanceolate, sharply incised-doubly serrate; pedicel 2.5–5 cm; aggregate fruit subglobose, 0.9–1.1 cm in diam. |
|
67 R. eustephanos |
+ |
Leaflets ovate-lanceolate or lanceolate, irregularly and doubly serrate; pedicel 1.5–2.5 cm; aggregate fruit globose to ellipsoid, to 1.5 cm in diam. |
|
68 R. fraxinifoliolus |
|
|
|
|
25 (23) |
Plants glabrous; ovary with few hairs apically. |
|
66 R. lanyuensis |
+ |
Plants pubescent; ovary glabrous or pubescent. |
|
(26) |
|
|
|
|
26 (25) |
Shrubs, erect or scandent; flowers 2–3 cm in diam.; ovary glabrous; aggregate fruit ovoid-globose or narrowly obovoid to oblong, 8–12 mm in diam. |
|
64 R. rosifolius |
+ |
Subshrubs; flowers less than 2 cm in diam.; ovary pubescent; aggregate fruit globose, 5–7 mm in diam. |
|
65 R. pararosifolius |
|
|
|
|
27 (22) |
Plants pubescent, with longer glandular hairs; aggregate fruit oblong or subglobose. |
|
(28) |
+ |
Plants glabrous, rarely partly pilose, with shorter glandular hairs; aggregate fruit subglobose. |
|
(30) |
|
|
|
|
28 (27) |
Aggregate fruit oblong; flowers 1–2 cm in diam. |
|
58 R. sumatranus |
+ |
Aggregate fruit subglobose; flowers 2–4 cm in diam. |
|
(29) |
|
|
|
|
29 (28) |
Flowers 2–3 cm in diam.; pedicel 2–3 cm. |
|
59 R. croceacanthus |
+ |
Flowers 3–4 cm in diam.; pedicel (2–)3–6 cm. |
|
60 R. hirsutus |
|
|
|
|
30 (27) |
Flowers 2–3 cm in diam., solitary, rarely 2–5 in terminal corymbs; sepals narrowly triangular or triangular-lanceolate. |
|
61 R. glandulosocalycinus |
+ |
Flowers 3–4 cm in diam., 2–5 in terminal corymbs, rarely solitary; sepals lanceolate, ovate-lanceolate, oblong-lanceolate, or narrowly ovate-lanceolate. |
|
(31) |
|
|
|
|
31 (30) |
Leaves 7–9(–11)-foliolate; leaflets lanceolate or ovate-lanceolate; carpels more than 100; torus sessile; ovary and aggregate fruit without glandular hairs. |
|
62 R. tsangii |
+ |
Leaves 5–7-foliolate; leaflets ovate to ovate-oblong; carpels less than 100; torus stipitate, stipe ca. 3 mm; ovary and aggregate fruit with sparse, glandular hairs. |
|
63 R. glandulosocarpus |
|
|
|
|
32 (21) |
Terminal inflorescences cymose-panicles or subracemes. |
|
(33) |
+ |
Terminal inflorescences corymbs, rarely short racemes, or flowers several in a cluster or solitary. |
|
(44) |
|
|
|
|
33 (32) |
Abaxial surface of leaflets pubescent or subglabrous. |
|
(34) |
+ |
Abaxial surface of leaflets densely tomentose. |
|
(38) |
|
|
|
|
34 (33) |
Plants without glandular hairs; flowers white. |
|
(35) |
+ |
Plants with glandular hairs; flowers white or purple. |
|
(36) |
|
|
|
|
35 (34) |
Branchlets with sparse prickles; leaflets ovate-lanceolate to elliptic-lanceolate; sepals ovate-lanceolate, sparsely glandular abaxially; petals pilose abaxially. |
|
11 R. alnifoliolatus |
+ |
Branchlets unarmed; leaflets elliptic or oblong; sepals triangular-ovate, not glandular abaxially; petals glabrous. |
|
12 R. fraxinifolius |
|
|
|
|
36 (34) |
Leaflets ovate to ovate-lanceolate, margin coarsely and sharply serrate; pedicel 1–2 cm; petals white, glabrous; aggregate fruit 7–9 mm in diam. |
|
8 R. chiliadenus |
+ |
Leaflets broadly ovate to suborbicular, margin coarsely and sharply doubly serrate; pedicel 0.5–1 cm; petals purple, glabrous or pubescent; aggregate fruit 8–15 mm in diam. |
|
(37) |
|
|
|
|
37 (36) |
Petals glabrous; aggregate fruit 8–10 mm in diam. |
|
9 R. adenophorus |
+ |
Petals hirsute basally on both surfaces; aggregate fruit 10–15 mm in diam. |
|
10 R. parviaraliifolius |
|
|
|
|
38 (33) |
Plants without glandular hairs. |
|
(39) |
+ |
Plants with glandular hairs. |
|
(41) |
|
|
|
|
39 (38) |
Inflorescences subracemes; branchlets, petioles, pedicel, and abaxial surface of calyx minutely pubescent; sepals acute. |
|
7 R. lishuiensis |
+ |
Inflorescences cymose panicles or subracemes; branchlets, petioles, pedicel, and abaxial surface of calyx tomentose or glabrous; sepals acute or long acuminate. |
|
(40) |
|
|
|
|
40 (39) |
Branchlets, petioles, and pedicels pubescent; abaxial surface of calyx tomentose; sepals acute. |
|
5 R. flosculosus |
+ |
Branchlets, petioles, and pedicels glabrous; abaxial surface of calyx glabrous; sepals long acuminate. |
|
6 R. cockburnianus |
|
|
|
|
41 (38) |
Leaves 5–7-foliolate. |
|
(42) |
+ |
Leaves 3-, rarely 5-foliolate. |
|
(43) |
|
|
|
|
42 (41) |
Plants with unequal long glandular hairs; terminal inflorescences large cymose panicles; sepals ovate-lanceolate, apex caudate; leaflets ovate to ovate-lanceolate. |
|
1 R. grandipaniculatus |
+ |
Plants with 1–2 mm glandular hairs; terminal inflorescences short subracemes or narrow cymose panicles; sepals ovate, apex acute; leaflets usually elliptic to ovate-lanceolate. |
|
2 R. idaeopsis |
|
|
|
|
43 (41) |
Leaflets coarsely serrate or doubly serrate; terminal inflorescences subracemes or narrow panicles; pedicel 0.4–1 cm; sepals ovate, apically acute. |
|
3 R. innominatus |
+ |
Leaflets coarsely obtusely serrate; terminal inflorescences large cymose panicles; pedicel 1.5–2.5 cm; sepals lanceolate or ovate-lanceolate, apically caudate. |
|
4 R. spinulosoides |
|
|
|
|
44 (32) |
Aggregate fruit densely tomentose. |
|
(45) |
+ |
Aggregate fruit pubescent or glabrous. |
|
(63) |
|
|
|
|
45 (44) |
Abaxial surface of leaflets densely tomentose. |
|
(46) |
+ |
Abaxial surface of leaflets pubescent. |
|
(58) |
|
|
|
|
46 (45) |
Leaves 5–9-, rarely 3- or 11-foliolate. |
|
(47) |
+ |
Leaves 3–5(–7)-foliolate. |
|
(50) |
|
|
|
|
47 (46) |
Flowers solitary, white; sepals caudate. |
|
16 R. bonatianus |
+ |
Flowers in terminal corymbs or several in a cluster; sepals acute, acuminate, or caudate. |
|
(48) |
|
|
|
|
48 (47) |
Flowers white; leaflets incised to doubly serrate; sepals caudate; inflorescences corymbs or flowers 3 or 4 in a cluster. |
|
15 R. trijugus |
+ |
Flowers red; leaflets coarsely sharply serrate or coarsely incised to doubly serrate; sepals acute or acuminate; inflorescences corymbs, rarely short thyrses. |
|
(49) |
|
|
|
|
49 (48) |
Leaves (5–)7–9(–11)-foliolate, coarsely sharply serrate; sepals acute; carpels 55–70; aggregate fruit 8–12 mm in diam. |
|
13 R. niveus |
+ |
Leaves 3–5-foliolate, coarsely incised-doubly serrate; sepals acuminate; carpels 20–40; aggregate fruit 5–8 mm in diam. |
|
14 R. piluliferus |
|
|
|
|
50 (46) |
Plants with needle-like prickles and glandular hairs. |
|
(51) |
+ |
Plants unarmed, glandular hairs absent or rarely with sparse, needle-like prickles or glandular hairs on some parts. |
|
(53) |
|
|
|
|
51 (50) |
Leaves 5–7-foliolate; flowers solitary or in clusters of 2 or 3; abaxial surface of calyx tomentose. |
|
17 R. wawushanensis |
+ |
Leaves 3-foliolate, rarely 5-foliolate; flowers in terminal corymbs or solitary; abaxial surface of calyx pubescent. |
|
(52) |
|
|
|
|
52 (51) |
Low shrubs; flowers ca. 1 cm in diam., 5–9 or more in terminal corymbs. |
|
18 R. sachalinensis |
+ |
Subshrubs or herblike; flowers 1.5–2 cm in diam., 1–3 terminal on branchlets. |
|
19 R. irritans |
|
|
|
|
53 (50) |
Aggregate fruit yellow at maturity, with caducous hairs. |
|
(54) |
+ |
Aggregate fruit red or orange-red at maturity, persistently tomentose. |
|
(55) |
|
|
|
|
54 (53) |
Plants villous; leaflets rhombic or ovate to elliptic; abaxial surface of calyx villous, with dense, needle-like prickles; sepals ovate-lanceolate or lanceolate, apex caudate. |
|
40 R. alexeterius |
+ |
Plants glabrous; leaflets broadly ovate, suborbicular, or elliptic; abaxial surface of calyx glabrous, unarmed; sepals broadly ovate or orbicular-ovate, apex acute. |
|
39 R. biflorus |
|
|
|
|
55 (53) |
Aggregate fruit subglobose, 12–20 mm in diam., densely long tomentose; petiole and pedicel with sparse, glandular hairs; abaxial surface of calyx with sparse, glandular hairs, prickly. |
|
20 R. eucalyptus |
+ |
Aggregate fruit subglobose or narrowly ovoid, 10–14 mm in diam., shortly tomentose; petiole, pedicel, and abaxial surface of calyx without glandular hairs; abaxial surface of calyx unarmed or prickly. |
|
(56) |
|
|
|
|
56 (55) |
Leaves (3–)5–7-foliolate; abaxial surface of calyx ± with needle-like prickles; flowers white. |
|
21 R. idaeus |
+ |
Leaves usually 3-foliolate; abaxial surface of calyx unarmed; flowers white, pinkish, or purple. |
|
(57) |
|
|
|
|
57 (56) |
Leaflets ovate or elliptic; flowers white or pinkish; aggregate fruit semiglobose, less than 10 mm, orange, yellow, or orange-red. |
|
22 R. aurantiacus |
+ |
Leaflets broadly ovate to ovate-lanceolate; flowers purple; aggregate fruit narrowly ovoid, 10–15 mm, red. |
|
23 R. austrotibetanus |
|
|
|
|
58 (45) |
Flowers usually solitary; pedicel 4–6 cm; leaflets, branchlets, pedicel, and abaxial surface of calyx pubescent, without glandular hairs. |
|
28 R. gyamdaensis |
+ |
Flowers 3–10 or more in terminal corymbs; pedicel (0.7–)1–3.5 cm; abaxial surface of leaflets pubescent only along veins. |
|
(59) |
|
|
|
|
59 (58) |
Plants with sparse, glandular hairs; branchlets, petioles, and abaxial surface of calyx pubescent; flowers ca. 1 cm in diam.; abaxial surface of calyx with needle-like prickles and soft hairs. |
|
24 R. komarovii |
+ |
Plants without glandular hairs; flowers 1–3 cm in diam.; abaxial surface of calyx unarmed or rarely prickly, puberulous, finely pubescent or glabrous. |
|
(60) |
|
|
|
|
60 (59) |
Branchlets, pedicel, and abaxial surface of calyx glabrous; flowers 1–1.5(–2) cm in diam.; abaxial surface of calyx unarmed; aggregate fruit 8–12 mm in diam., densely tomentose. |
|
25 R. pileatus |
+ |
Branchlets, pedicel, and abaxial surface of calyx pubescent, rarely glabrous; flowers 2–3 cm in diam.; abaxial surface of calyx sometimes with minute prickles; aggregate fruit 8–20 mm in diam., densely long tomentose, shortly tomentose, or pubescent. |
|
(61) |
|
|
|
|
61 (60) |
Flowers 2–3 cm in diam.; aggregate fruit 13–20 mm in diam., densely long tomentose; leaves (3–)5–7-foliolate. |
|
26 R. pseudopileatus |
+ |
Flowers 1–1.5 cm in diam.; aggregate fruit 8–12 mm in diam., shortly tomentose or pubescent; leaves (5–)7–11-foliolate. |
|
(62) |
|
|
|
|
62 (61) |
Branchlets and inflorescences minutely pubescent; terminal corymbs or short racemes more than 10-flowered; ovary and base of style tomentose; aggregate fruit yellowish red to purplish red, densely shortly tomentose. |
|
27 R. subinopertus |
+ |
Branchlets and inflorescences glabrous; short terminal corymbs several flowered; ovary and base of style pubescent; aggregate fruit purplish black, thinly pubescent. |
|
42 R. inopertus |
|
|
|
|
63 (44) |
Abaxial surface of leaflets tomentose. |
|
(64) |
+ |
Abaxial surface of leaflets pubescent or glabrous. |
|
(78) |
|
|
|
|
64 (63) |
Leaves (5–)7–11(–13)-foliolate, terminal leaflet more than 2 × as long as lateral leaflets; aggregate fruit densely pubescent. |
|
29 R. thibetanus |
+ |
Leaves 3–7-foliolate, terminal leaflet slightly longer than lateral leaflets; aggregate fruit glabrous or pubescent. |
|
(65) |
|
|
|
|
65 (64) |
Plants densely bristly or with glandular hairs. |
|
(66) |
+ |
Plants without bristles and glandular hairs, rarely sparsely stipitate glandular on some parts. |
|
(68) |
|
|
|
|
66 (65) |
Plants with glandular hairs; leaflets coarsely serrate or incised; apex of sepals caudate; aggregate fruit red. |
|
30 R. phoenicolasius |
+ |
Plants without glandular hairs; leaflets sharply serrulate; apex of sepals acute; aggregate fruit golden yellow. |
|
(67) |
|
|
|
|
67 (66) |
Leaflets elliptic, apex acute or abruptly pointed, abaxially tomentose. |
|
31 R. ellipticus |
+ |
Leaflets elliptic or ovate, rarely obovate, apex caudate or acute, rarely obtuse, abaxially glabrous, sparsely pubescent and bristly only along veins. |
|
48 R. wallichianus |
|
|
|
|
68 (65) |
Leaves 5–7-foliolate; leaflets pinnatilobate; branchlets, petioles, and pedicels sometimes sparsely stipitate glandular; abaxial surface of calyx pubescent, with needle-like prickles or sparsely stipitate glandular; aggregate fruit red, glabrous. |
|
32 R. stimulans |
+ |
Leaves 3–5-foliolate; branchlets, petioles, and pedicel not stipitate glandular; abaxial surface of calyx glabrous, pubescent or with needle-like prickles; aggregate fruit red, dark red, purplish red, yellow, or black. |
|
(69) |
|
|
|
|
69 (68) |
Aggregate fruit yellow. |
|
(70) |
+ |
Aggregate fruit red, blue-black, or black. |
|
(72) |
|
|
|
|
70 (69) |
Branchlets, rachis, pedicels, and abaxial surface of calyx glabrous; sepals broadly ovate or orbicular-ovate, apically acute. |
|
39 R. biflorus |
+ |
Branchlets, rachis, pedicels, and abaxial surface of calyx pubescent; sepals narrowly ovate, ovate-lanceolate, or lanceolate, apically long acuminate to caudate. |
|
(71) |
|
|
|
|
71 (70) |
Leaflets rhombic, ovate, narrowly ovate, or elliptic; calyx 1.5–2 cm, with dense, needle-like prickles; flowers white; ovary glabrous, or tomentose only at apex, style tomentose basally. |
|
40 R. alexeterius |
+ |
Leaflets ovate to ovate-lanceolate; calyx to 1.5 cm, unarmed; flowers pink; ovary sericeous-villous, style glabrous. |
|
41 R. pedunculosus |
|
|
|
|
72 (69) |
Aggregate fruit black or blue-black. |
|
(73) |
+ |
Aggregate fruit red. |
|
(75) |
|
|
|
|
73 (72) |
Pedicel 1.5–3.5 cm; apex of calyx lobes caudate; leaflets coarsely incised-doubly serrate; terminal corymbs several flowered. |
|
41 R. pedunculosus |
+ |
Pedicel 0.6–1.2 cm; apex of calyx lobes acute to acuminate; leaflets large- or incised-serrate; terminal corymbs several to more than 20-flowered. |
|
(74) |
|
|
|
|
74 (73) |
Leaflets lobed, coarsely serrate; branchlets, petioles, and pedicels with sparse, needle-like prickles; aggregate fruit glabrous. |
|
37 R. mesogaeus |
+ |
Leaflets coarsely incised-serrate; branchlets, petioles, and pedicels with dense, needle-like prickles; aggregate fruit puberulous. |
|
38 R. subtibetanus |
|
|
|
|
75 (72) |
Apex of leaflets obtuse, rarely acute; abaxial surface of calyx with needle-like prickles. |
|
33 R. parvifolius |
+ |
Apex of leaflets shortly acuminate to acuminate, rarely acute; abaxial surface of calyx usually unarmed. |
|
(76) |
|
|
|
|
76 (75) |
Leaflets lanceolate or oblong-lanceolate; abaxial surface of calyx tomentose; branchlets, petioles, and pedicel pubescent. |
|
36 R. kulinganus |
+ |
Leaflets ovate or narrowly ovate to ovate-lanceolate; abaxial surface of calyx glabrous or hairy; branchlets, petioles, and pedicel glabrous or tomentose. |
|
(77) |
|
|
|
|
77 (76) |
Branchlets, petioles, pedicel, and abaxial surface of calyx glabrous; terminal corymbs 3- or 4-flowered. |
|
34 R. erythrocarpus |
+ |
Branchlets, petioles, and pedicel pubescent; abaxial surface of calyx pubescent, intermixed tomentose; terminal corymbs 6–10-flowered. |
|
35 R. subornatus |
|
|
|
|
78 (63) |
Leaves (5–)7–15-foliolate. |
|
(79) |
+ |
Leaves 3–7(–9)-foliolate. |
|
(84) |
|
|
|
|
79 (78) |
Flowers several in clusters or in short terminal corymbs; rachis, pedicels, and abaxial surface of calyx glabrous. |
|
(80) |
+ |
Flowers solitary or in clusters of 2 or 3, terminal or axillary; rachis, pedicels, and abaxial surface of calyx pubescent. |
|
(81) |
|
|
|
|
80 (79) |
Leaves (5–)7–11-foliolate; leaflets puberulent on both surfaces; flowers 10–12 mm in diam.; calyx brown; petals obovate, 4–6 mm in diam. |
|
42 R. inopertus |
+ |
Leaves 5-foliolate; leaflets glabrous on both surfaces, or abaxially puberulent only along veins; flowers 12–14 mm in diam.; calyx dark brownish purple; petals suborbicular, 8–9 mm in diam. |
|
43 R. wilsonii |
|
|
|
|
81 (79) |
Aggregate fruit oblong, rarely ellipsoid, red; flowers 3–4 cm in diam.; branchlets, petioles, and leaflets glabrous or subglabrous. |
|
44 R. amabilis |
+ |
Aggregate fruit subglobose, blackish red, yellowish red or red; flowers 2–3 cm in diam.; plants glabrous or with glandular hairs. |
|
(82) |
|
|
|
|
82 (81) |
Plants glabrous, without glandular hairs; aggregate fruit red. |
|
47 R. taiwanicola |
+ |
Plants with glandular hairs or not; aggregate fruit blackish red or yellowish red. |
|
(83) |
|
|
|
|
83 (82) |
Shrubs 1–2 m tall, with glandular hairs; leaflets ovate, ovate-lanceolate, or rhombic- ovate; aggregate fruit blackish red, 1–1.2 cm in diam. |
|
45 R. ptilocarpus |
+ |
Subshrubs, 10–50 cm tall, without glandular hairs, rarely petioles or pedicels with sparse, glandular hairs; leaflets broadly ovate or rhombic-ovate, rarely oblong; aggregate fruit yellowish red, 1.4–2 cm in diam. |
|
46 R. lutescens |
|
|
|
|
84 (78) |
Plants with reddish brown bristles; flowers white; aggregate fruit golden yellow or reddish yellow; leaves 3-foliolate. |
|
48 R. wallichianus |
+ |
Plants without bristles; flowers red or white; aggregate fruit red, dark red, or purplish black; leaves 3–7-foliolate. |
|
(85) |
|
|
|
|
85 (84) |
Terminal inflorescences corymbs or short racemes, several to more than 30-flowered. |
|
(86) |
+ |
Terminal inflorescences corymbs, 2–4-flowered or slightly more, sometimes flowers several in clusters or solitary. |
|
(88) |
|
|
|
|
86 (85) |
Terminal inflorescences corymbs; apex of sepals acuminate to caudate; abaxial surface of calyx pubescent. |
|
49 R. coreanus |
+ |
Terminal inflorescences short racemes; apex of sepals obtuse, acute, or acuminate; abaxial surface of calyx villous. |
|
(87) |
|
|
|
|
87 (86) |
Leaves 5-foliolate; leaflets ovate, broadly ovate, or rhombic-ovate, apex acute; sepals ovate or broadly ovate, apex obtuse or acute. |
|
50 R. subcoreanus |
+ |
Leaves 3-foliolate; leaflets narrowly ovate or ovate-lanceolate, apex acuminate; sepals ovate-lanceolate, apex subulate-acuminate. |
|
51 R. spananthus |
|
|
|
|
88 (85) |
Plants stipitate glandular; leaves 3-foliolate. |
|
(89) |
+ |
Plants not stipitate glandular, rarely with stipitate glands on some parts; leaves 3–7(–9)-foliolate. |
|
(90) |
|
|
|
|
89 (88) |
Leaflets 2–4 cm, coarsely sharply serrate; petioles 2–3.5 cm; flowers 1–1.5 cm in diam.; ovary sparsely pilose. |
|
52 R. stans |
+ |
Leaflets 4–8 cm, irregularly obtusely dentate; petioles 4–8(–10) cm; flowers 2–3 cm in diam.; ovary glabrous. |
|
53 R. sikkimensis |
|
|
|
|
90 (88) |
Leaves (3–)5–7(–9)-foliolate; branchlets and abaxial surface of calyx with dense, straight needle-like prickles. |
|
54 R. pungens |
+ |
Leaves 3-foliolate, rarely 5-foliolate; branchlets and abaxial surface of calyx with sparse, curved or straight minute prickles, or abaxial surface of calyx unarmed. |
|
(91) |
|
|
|
|
91 (90) |
Subshrubs, 40–60 cm tall; terminal leaflet slightly longer than lateral leaflets; abaxial surface of calyx with sparse, curved minute prickles. |
|
57 R. simplex |
+ |
Shrubs or subshrubs, 15–200 cm tall; terminal leaflet much longer than lateral leaflets; abaxial surface of calyx with straight needle-like prickles or unarmed. |
|
(92) |
|
|
|
|
92 (91) |
Shrubs 1–2 m tall; leaflets lanceolate, ovate-lanceolate, or ovate; petiolule of terminal leaflet 0.5–1 cm; abaxial surface of calyx unarmed. |
|
55 R. macilentus |
+ |
Subshrubs, 15–50 cm tall; leaflets oblong or elliptic-oblong, rarely ovate-lanceolate; petiolule of terminal leaflet 1–2.5 cm; abaxial surface of calyx with straight needle-like prickles. |
|
56 R. xanthocarpus |
|