| 1 |
Leaves pseudoverticillate. |
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(2) |
| + |
Leaves scattered. |
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(7) |
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| 2 (1) |
Inflorescence with glandular hairs. |
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(3) |
| + |
Inflorescence glabrous. |
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(5) |
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| 3 (2) |
Leaves densely glandular hirsute; inflorescence corymbose. |
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13 Agapetes ciliata |
| + |
Leaves glabrous; inflorescence shortly racemose or fasciculate. |
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(4) |
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| 4 (3) |
Leaf blade obovate or oblong-lanceolate, 20–24 × 8–11 cm, with a distinct intramarginal vein; calyx lobes ca. 1 cm. |
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2 Agapetes marginata |
| + |
Leaf blade narrowly elliptic, oblong-lanceolate, or oblanceolate, 8–11 × 3–6 cm, rigidly leathery, with an inconspicuous marginal vein; calyx lobes 3–5 mm. |
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4 Agapetes aborensis |
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| 5 (2) |
Leaf blade ca. 10 × 0.8–2 cm; corolla 1.5–1.6 cm, lobes ca. 2.5 mm. |
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12 Agapetes salicifolia |
| + |
Leaf blade to 25 cm; corolla 3–6 cm, lobes 4–11 mm. |
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(6) |
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| 6 (5) |
Leaf blade oblong-lanceolate, 10–25 × 2–4.5 cm; corolla 4–6 cm, pinkish or rose, with dark purple
transverse zig-zag bands, lobes ca. 1.1 cm. |
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6 Agapetes burmanica |
| + |
Leaf blade elliptic-lanceolate, 12–18 × 4.5–8 cm; corolla ca. 3 cm, vermilion or crimson, lobes ca.
4 mm. |
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10 Agapetes miniata |
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| 7 (1) |
Filaments longer than thecae; flowers solitary or 2–4(–6) in a fascicle, sometimes a corymb or raceme. |
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(8) |
| + |
Filaments shorter than thecae; inflorescence corymbose, rarely racemose or flowers fasciculate or solitary. |
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(21) |
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| 8 (7) |
Leaf blade (3–)5–17 cm. |
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(9) |
| + |
Leaf blade less than 2.5 cm. |
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(13) |
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| 9 (8) |
Inflorescences glabrous. |
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(10) |
| + |
Inflorescences variously pubescent and/or glandular hairy. |
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(11) |
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| 10 (9) |
Leaf blade 10–17 cm; pedicel ca. 2.6 cm. |
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9 Agapetes brandisiana |
| + |
Leaf blade 5–8 cm; pedicel 5–8 mm. |
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11 Agapetes graciliflora |
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| 11 (9) |
Inflorescence racemose, 5- or 6-flowered; pedicels 4–7 mm. |
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42 Agapetes inopinata |
| + |
Inflorescence fasciculate, 1–4-flowered; pedicels 0.6–2 cm. |
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(12) |
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| 12 (11) |
Branches pubescent and glandular setose; corolla crimson or carmine, tubular, 1.3–1.9 cm. |
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43 Agapetes oblonga |
| + |
Branches glabrous; corolla green, shortly campanulate, 5–7 mm. |
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41 Agapetes pilifera |
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| 13 (8) |
Leaf margin crenulate or serrate. |
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(14) |
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Leaf blade entire, recurved. |
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(17) |
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| 14 (13) |
Leaf blade ovate or elliptic, base obtuse or rounded. |
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(15) |
| + |
Leaf blade obovate or subelliptic, base cuneate. |
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(16) |
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| 15 (14) |
Flowers solitary or 2 together from axils along branch; twigs rust-colored pilose; leaf margin crenulate-serrate. |
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50 Agapetes anonyma |
| + |
Flowers 2–5 from subterminal leaf axils; twigs densely dark brown glandular setose; leaf margin
serrate. |
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52 Agapetes guangxiensis |
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| 16 (14) |
Inflorescence shortly racemose; bract leaflike, 1.3–1.5 × ca. 1.1 cm, bracteoles oblong, 4–6 ×
ca. 2 mm. |
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51 Agapetes rubrobracteata |
| + |
Flowers solitary, axillary; bracts and bracteoles less than 3 mm. |
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53 Agapetes spissa |
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| 17 (13) |
Calyx densely puberulous or glabrous outside; pedicels 4–10 mm, glabrous. |
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(18) |
| + |
Calyx densely glandular villous or glandular setose and pubescent outside; pedicels 1–5 mm, glandular villous or glandular pubescent. |
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(19) |
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| 18 (17) |
Corolla tubular, 1.1–1.5 cm, white or greenish white; stem densely puberulous. |
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45 Agapetes mannii |
| + |
Corolla campanulate, 6–7 mm, deep red; stem glabrous or hispid. |
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46 Agapetes obovata |
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| 19 (17) |
Leaf blade hirsute abaxially. |
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47 Agapetes pensilis |
| + |
Leaf blade glabrous abaxially. |
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(20) |
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| 20 (19) |
Leaf apex abruptly narrowed into a long pungent mucro. |
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48 Agapetes epacridea |
| + |
Leaf apex rounded, apiculus minute. |
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49 Agapetes brachypoda var. gracilis |
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| 21 (7) |
Calyx tube 5-winged, lobes obvious; corolla usually 5-angled; peduncle to 10 mm. |
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(22) |
| + |
Calyx and corolla not winged or angled; peduncle usually elongate. |
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(27) |
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| 22 (21) |
Corolla yellow. |
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(23) |
| + |
Corolla reddish brown, purple, or white. |
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(24) |
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| 23 (22) |
Leaf base rounded; pedicels and calyx pubescent; calyx lobes triangular-ovate, ca. 8 mm; anthers with 2 spurs. |
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14 Agapetes flava |
| + |
Leaf base shallowly cordate or obtuse; pedicel and calyx glabrous; calyx lobes suborbicular, ca. 3 mm; anthers without spurs. |
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16 Agapetes listeri |
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| 24 (22) |
Corolla 1.5–2 cm; inflorescence corymbose. |
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(25) |
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Corolla 2–3.4 cm; inflorescence shortly racemose. |
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(26) |
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| 25 (24) |
Calyx lobes ca. 5 mm; corolla ca. 1.9 cm; leaf blade with serrate margin, adaxially very rugose. |
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15 Agapetes incurvata |
| + |
Calyx lobes ca. 10 mm; corolla ca. 1.5 cm; leaf blade with subentire margin, adaxially distinctly
reticulate. |
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17 Agapetes medogensis |
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| 26 (24) |
Leaf blade oblanceolate to obovate, apex acuminate to acute; calyx lobes 9–13 mm; stem puberulous. |
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18 Agapetes pyrolifolia |
| + |
Leaf blade elliptic, apex acute or apiculate; calyx lobes 6–9(–10) mm; stem hirtellous or glandular
setose. |
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19 Agapetes interdicta |
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| 27 (21) |
Leaf blade more than (4–)6 cm. |
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(28) |
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Leaf blade less than 6 cm. |
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(40) |
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| 28 (27) |
Leaf blade less than 1.5 cm wide, linear or linear-lanceolate. |
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(29) |
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Leaf blade more than 1.5 cm wide, oblong or ovate-lanceolate. |
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(30) |
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| 29 (28) |
Leaf margin shallowly and remotely undulate-denticulate towards apex; corolla ca. 2.2 cm, crimson or carmine; pedicel enlarged into a disk apically. |
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26 Agapetes nutans |
| + |
Leaf margin entire; corolla 1.3–1.4 cm, green, glaucescent; pedicel enlarged into a cup apically. |
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27 Agapetes linearifolia |
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| 30 (28) |
Corolla lobed nearly to middle |
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1 Agapetes lobbii |
| + |
Corolla lobed less than 1/4 its length. |
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(31) |
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| 31 (30) |
Leaf blade 28–34 × 7–13.5 cm. |
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8 Agapetes macrophylla |
| + |
Leaf blade to 17(–22) × (1–)2–10 cm. |
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(32) |
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| 32 (31) |
Pedicel at most clavate towards apex; leaf margin usually at least inconspicuously toothed, except A. megacarpa. |
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(33) |
| + |
Pedicel enlarged into a cup apically; leaf margin entire. |
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(37) |
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| 33 (32) |
Pedicel and calyx pubescent; leaf blade 3–10 cm wide, with very distinct intramarginal veins. |
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3 Agapetes pubiflora |
| + |
Pedicel and calyx glabrous; leaf blade less than 4 cm wide, lacking distinct intramarginal vein. |
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(34) |
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| 34 (33) |
Calyx lobes less than 3 mm; twigs strongly angled. |
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7 Agapetes angulata |
| + |
Calyx lobes 4–8 mm; twigs terete or weakly angled. |
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(35) |
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| 35 (34) |
Corolla creamy yellow; anthers with spurs. |
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5 Agapetes megacarpa |
| + |
Corolla red or purple; anthers lacking spurs. |
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(36) |
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| 36 (35) |
Leaf blade oblong-lanceolate, 10–21 × 2–4.5 cm; petiole ca. 1 cm; corolla ca. 1.7 cm, bluish purple. |
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24 Agapetes xizangensis |
| + |
Leaf blade ovate-oblong or broadly elliptic, 7.5–14 × 3–5.5 cm, subsessile; corolla ca. 2.5 cm, red. |
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25 Agapetes subsessilifolia |
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| 37 (32) |
Calyx limb entire, expanded; corolla ca. 4.5 cm or more. |
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20 Agapetes neriifolia |
| + |
Calyx limb 5-lobed; corolla 2–3 cm. |
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(38) |
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| 38 (37) |
Calyx limb divided to 2/3 length. |
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21 Agapetes pseudogriffithii |
| + |
Calyx limb divided to base. |
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(39) |
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| 39 (38) |
Leaf blade oblong, 8–15 × 2–5 cm, base cuneate; calyx lobes ovate; corolla ± tubular, strongly 5-angled. |
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22 Agapetes griffithii |
| + |
Leaf blade ovate-lanceolate, 7–12.5 × 1.5–3.2 cm, base rounded; calyx lobes narrowly triangular; corolla narrowly funnelform, ca. 2 cm, not angled. |
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23 Agapetes hyalocheilos |
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| 40 (27) |
Inflorescence corymbose; leaf apex acuminate or caudate; twigs glabrous or pubescent, rarely setose. |
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(41) |
| + |
Flowers solitary, or 2 or 3, rarely 3–8, subfasciculate; leaf apex acute, obtuse, or apiculate; twigs setose or hispidulous. |
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(43) |
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| 41 (40) |
Leaf margin entire; inflorescence 2- or 3-flowered; calyx lobes ca. 3 mm. |
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31 Agapetes leucocarpa |
| + |
Leaf margin serrate; inflorescence 4–8-flowered; calyx lobes ca. 1.5 mm or more than 5 mm. |
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(42) |
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| 42 (41) |
Pedicel clavate towards apex; calyx lobes ca. 1.5 mm; twigs densely setose. |
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30 Agapetes forrestii |
| + |
Pedicel forming a cup apically; calyx lobes 5–6 mm; twigs glabrous or pubescent. |
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28 Agapetes discolor |
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| 43 (40) |
Corolla urceolate, 5–8 mm, 5-winged or 5-angled. |
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(44) |
| + |
Corolla tubular or cylindric, (1.2–)2–3 cm, not angled or winged. |
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(45) |
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| 44 (43) |
Flowers 1 or 2; corolla with ca. 2 mm wide wings, lemon-yellow. |
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39 Agapetes miranda |
| + |
Flowers 3–8, subfasciculate; corolla strongly 5-angled, cherry-red. |
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40 Agapetes praestigiosa |
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| 45 (43) |
Calyx tube 5-winged; pedicel along with calyx wings glandular setose; leaves often appearing to
be in two ranks. |
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37 Agapetes serpens |
| + |
Calyx tube at most angled; pedicel and calyx glabrous to pubescent, rarely with glandular hairs;
leaves not 2-ranked. |
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(46) |
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| 46 (45) |
Inflorescence with peduncle ca. 1.5 cm; corolla puberulous along angles, lobes 4–6 mm. |
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34 Agapetes mitrarioides |
| + |
Inflorescence fasciculate or flowers solitary; corolla glabrous outside, lobes at least 4–6 mm. |
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(47) |
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| 47 (46) |
Pedicels and calyx densely pubescent or glandular pubescent or villous. |
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(48) |
| + |
Pedicels and calyx tube glabrous. |
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(49) |
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| 48 (47) |
Leaf blade elliptic to obovate, 1.5–2.8 cm; corolla lobes 4–6 mm. |
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32 Agapetes buxifolia |
| + |
Leaf blade elliptic, 0.7–2 cm; corolla lobes ca. 3 mm. |
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36 Agapetes lacei |
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| 49 (47) |
Pedicels ca. 1 cm. |
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38 Agapetes praeclara |
| + |
Pedicels 1.5–2.5 cm; corolla lobes 7–8.5 mm. |
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(50) |
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| 50 (49) |
Leaf blade ovate; corolla 1.6–1.8 cm. |
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35 Agapetes refracta |
| + |
Leaf blade elliptic; corolla 2–3 cm. |
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36 Agapetes lacei |
