1 |
Branchlets usually tipped with slender inconspicuous spines; reticulate veins of leaves slender, slightly raised but never conspicuous. |
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(2) |
+ |
Branches never spine-tipped; reticulate veins of leaves varying from flat to conspicuously raised. |
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(5) |
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2 (1) |
Leaf blade base shallowly cordate, less often rounded to truncate; corolla outside glabrous; berries black when mature, glabrous; fruiting sepals strongly recurved, hard and rigid,
ca. 0.7 cm (difficult to measure), veins not visible |
|
5 Diospyros diversilimba |
+ |
Leaf blade base cuneate to attenuate, rarely subrounded; corolla outside hairy; berries ± yellow when mature, hairy at least at base of style; fruiting sepals spreading to slightly
reflexed, stiffly papery to ± leathery, 0.9--2.5 cm, veins several and subparallel, prominent. |
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(3) |
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3 (2) |
Corolla outside not uniformly hairy but with longer hairs restricted to 4 ridges and sometimes with much smaller hairs adjacent; leaf blade rhomboid-obovate; short stout spines
often present on branchlets |
|
3 Diospyros rhombifolia |
+ |
Corolla outside uniformly densely puberulent; leaf blade elliptic to narrowly elliptic, sometimes rhombic-oblanceolate to slightly oblong; short stout spines never present. |
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(4) |
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4 (3) |
Fruiting pedicel 2.4--4(--6) cm; corolla 5--7 mm; fruiting sepals (1--)1.2--2(--2.5) cm |
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1 Diospyros cathayensis |
+ |
Fruiting pedicel 1.1--2 cm; corolla 4--5 mm; fruiting sepals 0.9--1.1 cm |
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2 Diospyros armata |
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5 (1) |
Leaf blades 2--6 cm, mostly less than 4 cm. |
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(6) |
+ |
Leaf blades (at least some) more than 7 cm. |
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(16) |
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6 (5) |
Fruiting pedicel 8--11 mm. |
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(7) |
+ |
Fruiting pedicel to 5 mm long, sometimes ± absent. |
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(8) |
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7 (6) |
Leaf blade abaxially without scattered concave glands, reticulate veins inconspicuous; calyx 4-lobed |
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6 Diospyros howii |
+ |
Leaf blade abaxially with scattered concave glands, reticulate veins prominent; calyx 5-lobed |
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7 Diospyros oliviformis |
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8 (6) |
Leaf blade uniformly hairy. |
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(9) |
+ |
Leaf blade glabrous except, sometimes when young, for pilose margin and abaxially puberulous midrib. |
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(12) |
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9 (8) |
Corolla glabrous (fruit not known); leaf apex clearly acuminate; petiole 6--10 mm, subglabrous |
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9 Diospyros esquirolii |
+ |
Corolla outside with 4 distinct longitudinal lines of hairs; leaf apex not clearly acuminate; petiole 2--6 mm, hairy. |
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(10) |
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10 (9) |
Ovary densely yellow strigose; calyx lobes mostly less than half as long as corolla; leaf blade smooth; fruit pilose, glabrescent, apex mucronate; petiole 2--3(--5) mm |
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10 Diospyros dumetorum |
+ |
Ovary glabrous except at apex; calyx lobes about as long as or longer than corolla; leaf blade very minutely rugulose-papillate; fruit glabrous, apex rounded; petiole (2--)4--15
mm. |
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(11) |
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11 (10) |
Petiole (5--)10--16 mm; female corolla tube shorter than corolla lobes; calyx lobes 3.5--5 mm wide |
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12 Diospyros balfouriana |
+ |
Petiole (2--)4--6 mm; corolla tube longer than corolla lobes; calyx lobes 2--2.5 mm wide |
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11 Diospyros yunnanensis |
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12 (8) |
Leaf apex rounded; flowers irregularly 3--5-merous; calyx lobes rounded, ca. 1/2 as long as tube, erect; berries ellipsoid |
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60 Diospyros ferrea |
+ |
Leaf apex subacute to bluntly acuminate; flowers regularly 4-merous; calyx lobes triangular to lanceolate, longer than tube; berries globose (Guangdong, Guangxi, Hainan). |
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(13) |
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13 (12) |
Leaves drying gray-green, margin often conspicuously ciliate-pilose when young |
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8 Diospyros vaccinioides |
+ |
Leaves drying dark brown to ± blackish, margin never conspicuously hairy. |
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(14) |
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14 (13) |
Leaf blade very minutely rugulose-papillate, dull, lateral veins 4--6 per side |
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11 Diospyros yunnanensis |
+ |
Leaf blade smooth, often glossy, lateral veins 6--18 per side. |
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(15) |
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15 (14) |
Lateral veins of leaves 12--18 per side; berries 1--1.2 cm |
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13 Diospyros nitida |
+ |
Lateral veins of leaves 6--8 per side; berries 1.3--1.5 cm |
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14 Diospyros kotoensis |
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16 (5) |
Leaf blade abaxially with reticulate veinlets not raised but clearly defined, dark. |
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(17) |
+ |
Leaf blade abaxially with reticulate veinlets inconspicuous or, if clearly defined, pale and/or raised. |
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(24) |
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17 (16) |
Calyx tube well developed, partly enclosing young fruit; leaf blade lateral veins 3 or 4 per side |
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22 Diospyros tsangii |
+ |
Calyx deeply divided, never partly enclosing fruit; leaf blade lateral veins 5--10 per side. |
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(18) |
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18 (17) |
Leaf blade abaxially glaucous gray-green. |
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(19) |
+ |
Leaf blade abaxially green to pale brown. |
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(21) |
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19 (18) |
Fruiting calyx lobes (4--)6--8 X ca. 6 mm; petiole 1.2--2.5 cm |
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19 Diospyros japonica |
+ |
Fruiting calyx lobes 9--15 X 7--10 mm; petiole to 1.4 cm. |
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(20) |
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20 (19) |
Leaves glabrous; fruiting calyx lobes 12--15 X ca. 10 mm |
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20 Diospyros sichourensis |
+ |
Leaves hairy; fruiting calyx lobes ca. 9 X 7 mm |
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21 Diospyros kintungensis |
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21 (18) |
Berries 1--2 cm in diam., bluish black with a glaucous bloom when ripe |
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18 Diospyros lotus |
+ |
Berries 2--8.5 cm in diam., yellow, orange, or red when ripe. |
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(22) |
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22 (21) |
Leaves abaxially glabrous or with very scattered pubescence; calyx much shorter than corolla; fruiting calyx ca. 1.4 cm in diam. |
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23 Diospyros oldhamii |
+ |
Leaves abaxially hairy, sometimes adaxially glabrescent; calyx ± as long as corolla; fruiting calyx 3--4 cm in diam. |
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(23) |
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23 (22) |
Young branchlets, leaves, and calyx outside brown pubescent, often glabrescent; petiole 8--20 mm; leaf blade with 5--7 pairs of lateral veins |
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24 Diospyros kaki |
+ |
Young branchlets, leaves, and calyx outside densely grayish-yellow pubescent; petiole 6--10 mm; leaf blade with 7--9 pairs of lateral veins |
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25 Diospyros oleifera |
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24 (16) |
Branchlets with hairs ± overlapping and concealing much of epidermis. |
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(25) |
+ |
Branchlets glabrous to inconspicuously pubescent. |
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(44) |
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25 (24) |
Fruiting calyx tube inflated, baglike, and almost or entirely covering fruit, lobes short and inconspicuous, incurved |
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59 Diospyros inflata |
+ |
Fruiting calyx tube much shorter than fruit, lobes well-developed, erect, spreading or recurved to reflexed or calyx with conspicuous spreading undulately plicate limb. |
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(26) |
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26 (25) |
Berries to 2.5 cm in diam. |
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(27) |
+ |
Berries 2.5 cm or more in diam. |
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(35) |
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27 (26) |
Leaf blade abaxially with numerous minute spherical glands between reticulate veinlets |
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45 Diospyros punctilimba |
+ |
Leaf blade without such glands between reticulate veinlets, rarely occasional glandular pits at junctions of veinlets. |
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(28) |
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28 (27) |
Young shoots pubescent or puberulous. |
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(29) |
+ |
Young shoots rusty strigose, yellowish brown, or brown tomentose. |
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(31) |
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29 (28) |
Lateral veins 4--6 per side; fruiting pedicel 3--4 mm |
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17 Diospyros unisemina |
+ |
Lateral veins 5--7(--10) per side; fruiting pedicel ca. 10 mm. |
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(30) |
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30 (29) |
Leaf blade subelliptic-rhombic; berries globose, densely pubescent |
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4 Diospyros saxicola |
+ |
Leaf blade elliptic-rhombic, elliptic-oblong, or oblanceolate; berries ovoid, glabrescent |
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6 Diospyros howii |
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31 (28) |
Flowers and young fruit subtended by ovate bracts as long or longer than calyx tube; fruit globose to ovoid, 0.5--1(--1.5) cm wide, sessile; leaves abaxially drying grayish,
brown, or blackish. |
|
(32) |
+ |
Flowers and fruit not subtended by prominent bracts; fruit globose, (0.8--)1.8--2.5 cm wide, pedicellate; leaves drying gray-green. |
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(33) |
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32 (31) |
Leaf base rounded to cuneate, lateral veins 4--7 or 8 per side |
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46 Diospyros eriantha |
+ |
Leaf base truncate to cordate, lateral veins 7--10 per side |
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47 Diospyros strigosa |
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33 (31) |
Leaf blade lateral veins 10--15 per side; inflorescences always 1-flowered; fruiting pedicel 1--1.6 cm |
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51 Diospyros xishuangbannaensis |
+ |
Leaf blade lateral veins 4--10 per side; inflorescences usually 2- or more flowered; fruiting pedicel ca. 0.4 cm. |
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(34) |
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34 (33) |
Leaf blade lateral veins 4--6 per side, densely appressed yellowish brown pubescent when young, adaxially glabrescent; pedicel and calyx indumentum similar in color to stem
indumentum |
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48 Diospyros xiangguiensis |
+ |
Leaf blade lateral veins 7--10 per side, glabrescent except for midrib which is densely rusty strigose; pedicel and calyx indumentum distinctly paler than stem indumentum, often
grayish |
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49 Diospyros kerrii |
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35 (26) |
Winter buds and young shoots with prominent dark brown to almost black hairs |
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54 Diospyros hainanensis |
+ |
Winter buds and young shoots with pale or yellow to reddish brown hairs. |
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(36) |
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36 (35) |
Fruiting pedicel to 6(--10) mm. |
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(37) |
+ |
Fruiting pedicel more than 8 mm. |
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(39) |
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37 (36) |
Leaf blade lateral veins 4--7 per side; fruiting calyx lobes flat, appressed to berry and overlapping |
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53 Diospyros chunii |
+ |
Leaf blade lateral veins (6 or)7--14 per side; fruiting calyx lobes with recurved to strongly reflexed margins, not overlapping. |
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(38) |
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38 (37) |
Leaf blade abaxially with small but sharply delimited sunken glands scattered along leaf blade between lateral veins and 3--12 mm from midrib, lateral veins 10--14 per side; berries
ca. 8 cm in diam., densely and persistently villose |
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52 Diospyros philippensis |
+ |
Leaf blade without sunken glands, lateral veins (6 or)7--10 per side; berries 3--3.5 cm in diam., glabrescent |
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55 Diospyros ehretioides |
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39 (36) |
Fruiting calyx 5- or 6-lobed |
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26 Diospyros hexamera |
+ |
Fruiting calyx 4-lobed. |
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(40) |
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40 (39) |
Lobes of fruiting calyx unequal, 2 broad lobes alternating with 2 narrow lobes |
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57 Diospyros anisocalyx |
+ |
Lobes of fruiting calyx equal. |
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(41) |
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41 (40) |
Fruiting pedicel 3--4 cm |
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39 Diospyros miaoshanica |
+ |
Fruiting pedicel 1.2--2 cm. |
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(42) |
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42 (41) |
Leaf blade glabrous except for abaxially tawny puberulous midvein and lateral veins |
|
36a var. reticulinervis |
+ |
Leaf blade abaxially tawny pilose or sparsely strigose on midvein. |
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(43) |
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43 (42) |
Young shoots yellow pubescent; leaf blade abaxially tawny pilose, densely so on veins; lobes of fruiting calyx outside slightly pilose, inside glabrous |
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37 Diospyros sunyiensis |
+ |
Young shoots puberulous; leaf blade abaxially sparsely strigose on midvein; lobes of fruiting calyx glabrous on both surfaces |
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38 Diospyros sutchuensis |
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44 (24) |
Seeds 1.5--3.5 cm; reticulate veinlets of leaf blades always conspicuous, raised on both surfaces (Guangxi or Hainan). |
|
(45) |
+ |
Seeds to 1.6 cm; reticulate veinlets of leaf blades varying from almost invisible to very prominently raised (widely distributed). |
|
(47) |
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45 (44) |
Fruiting calyx ca. 2 cm wide, clearly reflexed between lobes only; seeds 1.5--2 cm; petioles blackish in contrast to green leaf blades, inconspicuously articulate at base |
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30 Diospyros susarticulata |
+ |
Fruiting calyx 2.5--3.5 cm wide, flat or with reflexed lobes; seeds 2--3.5 cm; petioles similar in color to leaf blades, not articulate at base. |
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(46) |
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46 (45) |
Fruiting calyx reflexed, ca 2.5 cm in diam., lobes clearly defined; berries longer than broad; seeds 3--3.5 X 0.8--0.9 cm; petiole 0.5--1 cm |
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31 Diospyros maclurei |
+ |
Fruiting calyx a fleshy slightly reflexed undulate disc, 2.5--3.5 cm in diam., lobes inconspicuous; berries broader than long; seeds 2--2.5 X 9--1.5 cm; petiole 1--1.5 cm |
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32 Diospyros metcalfii |
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47 (44) |
Leaf blade abaxially with 2--4 small but sharply delimited sunken gland patches close to base; fruiting calyx lobes 4, sharply reflexed so as to be ± transversely folded when dry;
corolla 3- or 4-lobed |
|
58 Diospyros maritima |
+ |
Leaf blade with gland patches absent or more than 4 and scattered throughout leaf; fruiting calyx lobes 4 or 5, subrevolute, often ± undulately plicate, never transversely folded;
corolla 4-lobed. |
|
(48) |
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48 (47) |
Calyx often 5-or more lobed, lobes sometimes reduced to small teeth; fruiting calyx very shallowly divided and reflexed between lobes so as to be undulately plicate, often
strongly longitudinally 4- or 5-ridged at base. |
|
(49) |
+ |
Calyx always clearly 4-lobed, usually deeply divided; fruiting calyx usually deeply divided, not reflexed between lobes though lobes sometimes revolute or reflexed. |
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(52) |
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49 (48) |
Reticulate veinlets of leaf blades well-defined, dense, prominently raised on both surfaces |
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29 Diospyros longibracteata |
+ |
Reticulate veinlets of leaf blades inconspicuous, lax, flat or sometimes abaxially slightly raised. |
|
(50) |
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50 (49) |
Branchlets at first yellowish green; fruiting calyx only slightly undulately plicate, slightly reflexed between spreading lobes; male flowers not known |
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33 Diospyros corallina |
+ |
Branchlets brown or blackish brown; fruiting calyx strongly undulately plicate, clearly reflexed between lobes; male flowers tubular or cup-shaped, calyx lobes reduced to small
teeth. |
|
(51) |
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51 (50) |
Male calyx tubular, 4- or 5-mucronate-dentate; stamens ca. 12; leaf blade lanceolate to oblong-lanceolate; berries black when mature, depressed globose, 2.5--3 cm in diam.,
glabrous, glossy |
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27 Diospyros nigricortex |
+ |
Male calyx cup-shaped, 5--7-denticulate; stamens ca. 24; leaf blade elliptic to oblong; mature fruit not known |
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28 Diospyros forrestii |
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52 (48) |
Fruiting calyx ± square, lobes flat; leaves adaxially drying brown, reticulate veinlets very inconspicuous. |
|
(53) |
+ |
Fruiting calyx variously lobed, lobes recurved, strongly reflexed, or revolute; leaves drying gray-green to ± black or, if adaxially ± brownish, reticulate veinlets conspicuously
raised. |
|
(54) |
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53 (52) |
Mature fruit 1.5--2.2(--2.9) cm diam. (widespread in south China) |
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15 Diospyros morrisiana |
+ |
Mature fruit 2.5--3 cm diam. (Yunnan, Marlipo Xian) |
|
16 Diospyros fengii |
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54 (52) |
Leaf blade hairy between lateral veins on one or both surfaces. |
|
(55) |
+ |
Leaf blade glabrous except sometimes for abaxially appressed villose main veins or appressed pubescence when young. |
|
(57) |
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55 (54) |
Fruit base glabrous |
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12 Diospyros balfouriana |
+ |
Fruit base densely appressed yellowish tomentose. |
|
(56) |
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56 (55) |
Fruiting calyx lobes ca. 2 cm, broadly ovate |
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43 Diospyros zhenfengensis |
+ |
Fruiting calyx lobes ca. 0.8 cm, narrowly triangular |
|
36b var. glabrescens |
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57 (54) |
Berries glabrous or hairy only at apex; leaves drying blackish. |
|
(58) |
+ |
Berries hairy at least at base when young, sometimes glabrescent; leaves not drying blackish. |
|
(59) |
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58 (57) |
Lateral veins of leaves 12--18 per side; berries 1--1.2 cm |
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13 Diospyros nitida |
+ |
Lateral veins of leaves 6--8 per side; berries 1.3--1.5 cm |
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14 Diospyros kotoensis |
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59 (57) |
Berries sessile or subsessile, always globose. |
|
(60) |
+ |
Berries with pedicel 5 mm or more, globose or ovoid. |
|
(61) |
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60 (59) |
Leaf blade lateral veins 10--13 per side; fruiting calyx lobes spreading, inside brown sericeous; fruit 2--2.8 cm in diam. |
|
34 Diospyros siderophylla |
+ |
Leaf blade lateral veins 6--8 per side; fruiting calyx lobes strongly recurved, conspicuously tomentose on both surfaces; fruit 1--1.5 cm in diam. |
|
56 Diospyros rubra |
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61 (59) |
Leaf blade lateral veins 5 or 6 per side |
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40 Diospyros tutcheri |
+ |
Leaf blade lateral veins 7--12 per side. |
|
(62) |
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62 (61) |
Berries densely black pubescent at base; fruiting calyx sparsely black pubescent |
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50 Diospyros hasseltii |
+ |
Berries appressed rusty or yellowish brown hairy, glabrescent when ripe; fruiting calyx puberulous. |
|
(63) |
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63 (62) |
Fruiting pedicel 0.5--1 cm; reticulate veinlets of leaf blade thick, dense, conspicuously pale and raised on adaxial surface |
|
35 Diospyros caloneura |
+ |
Fruiting pedicel 1.1--2.5 cm; reticulate veinlets of leaf blade slender, often lax. |
|
(64) |
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64 (63) |
Leaf blade stiffly papery, lateral veins not united to form a marginal vein; fruit ovoid |
|
41 Diospyros potingensis |
+ |
Leaf blade nearly leathery, lateral veins (at least apical ones) united to form a marginal vein; fruit globose or depressed globose. |
|
(65) |
|
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65 (64) |
Fruiting pedicel 3.3--4.7 cm |
|
44 Diospyros longshengensis |
+ |
Fruiting pedicel 0.5--2.5 cm. |
|
(66) |
|
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66 (65) |
Leaf base broadly cuneate, lateral veins 9 per side; fruit globose, ca. 3 cm in diam. |
|
42 Diospyros fanjingshanica |
+ |
Leaf base rounded, lateral veins 10--12 per side; fruit depressed globose, ca. 2.6 cm in diam. |
|
43 Diospyros zhenfengensis |