| 1 |
Petals connate at least halfway to apex (subgen. Symplocos) |
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41 Symplocos pendula |
| + |
Petals connate only at very base (subgen. Hopea (Linnaeus) C. B. Clarke). |
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(2) |
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| 2 (1) |
Plants deciduous; inflorescences a terminal panicle |
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40 Symplocos chinensis |
| + |
Plants evergreen; inflorescences not terminal. |
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(3) |
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| 3 (2) |
Flowers solitary or to 3 from a leaf axil. |
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(4) |
| + |
Flowers in a more than 3-flowered inflorescence. |
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(6) |
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| 4 (3) |
Petiole with 2 rows of glands; twigs pubescent or tomentose; bracts ca. 1 mm; fruit oblong |
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5 Symplocos euryoides |
| + |
Petiole without glands or with few glands; twigs puberulent or patently pilose; bracts 2--4 mm; fruit ampulliform or ovoid. |
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(5) |
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| 5 (4) |
Leaf blade abaxially glabrous, apex acute to rounded, reticulation obscure; twigs inconspicuously puberulent; calyx glabrous, lobes ca. 2 mm; disc cupular; fruit ovoid, ca. 5 mm
wide |
|
9 Symplocos nokoensis |
| + |
Leaf blade abaxially hairy at least when young, apex acuminate, reticulation distinct; twigs patently pilose; calyx pubescent, lobes 2.5--3 mm; disc cylindrical; fruit ampulliform, ca.
4 mm wide |
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6 Symplocos ovatilobata |
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| 6 (3) |
Leaf blade midvein adaxially prominent at least towards base or flat. |
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(7) |
| + |
Leaf blade midvein adaxially impressed. |
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(11) |
| |
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| 7 (6) |
Twigs, terminal buds, bracts, and bractlets glabrous |
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1 Symplocos lucida |
| + |
Twigs hairy at least when young, terminal buds pubescent, and bracts and bractlets hairy. |
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(8) |
| |
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| 8 (7) |
Leaf blade adaxially hairy, base broadly cuneate to rounded |
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4 Symplocos groffii |
| + |
Leaf blade adaxially glabrous, base attenuate-cuneate to narrowly cuneate. |
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(9) |
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| 9 (8) |
Inflorescences a branched raceme; leaf blade abaxially glabrous; bracts and bractlets persistent |
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2 Symplocos anomala |
| + |
Inflorescences a branched spike; leaf blade abaxially hairy at least when young; bracts and bractlets under fruit early deciduous. |
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(10) |
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| 10 (9) |
Leaves evenly distributed; leaf blade abaxially often appressed fine hairy, base attenuate-cuneate, intramarginal vein not close to margin; fruit ellipsoid to subglobose, 3--5 X
2--5 mm |
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27 Symplocos lancifolia |
| + |
Leaves crowded at end of branchlets; leaf blade abaxially minutely scattered hairy, base narrowly cuneate, intramarginal vein close to margin; fruit ovoid, 10--12 X 6--8 mm |
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3 Symplocos wikstroemiifolia |
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| 11 (6) |
Inflorescences a sessile or rarely elongated cluster or glomerule. |
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(12) |
| + |
Inflorescences a branched spike or raceme. |
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(27) |
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| 12 (11) |
Leaf blade abaxially hairy (under a hand lens) at least when young. |
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(13) |
| + |
Leaf blade abaxially glabrous. |
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(19) |
| |
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| 13 (12) |
Ovary hairy. |
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(14) |
| + |
Ovary glabrous. |
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(15) |
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| 14 (13) |
Petiole ca. 2 cm; twigs tomentose; leaf blade narrowly elliptic, abaxially with cobwebby hairs, margin with 8--12 glands per cm; bracts 2.5--3 mm; calyx lobes ca. 2 mm; corolla 5--6
mm, fruit cylindrical |
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30 Symplocos glandulifera |
| + |
Petiole 0.3--0.5 cm; twigs puberulent; leaf blade elliptic to ovate, abaxially with appressed fine hairs, margin with less than 6 glands per cm; bracts ca. 2 mm; calyx lobes ca. 1 mm;
corolla 3--4 mm; fruit ampulliform to ovoid |
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16 Symplocos atriolivacea |
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| 15 (13) |
Leaf blade adaxially hairy; twigs pubescent; fruit subglobose, ca. 5 mm |
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36 Symplocos dolichotricha |
| + |
Leaf blade adaxially glabrous; twigs tomentose, villous, or tomentellous; fruit cylindrical, ellipsoid, or narrowly ovoid, 8--20 mm. |
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(16) |
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| 16 (15) |
Calyx hairy. |
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(17) |
| + |
Calyx glabrous but sometimes margin ciliate. |
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(18) |
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| 17 (16) |
Leaf blade 7--10 cm, abaxially not papillate and not glaucous, base broadly cuneate, intramarginal vein present, reticulation distinct; twigs tomentose; fruit ellipsoid, ca. 1 cm |
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35 Symplocos fukienensis |
| + |
Leaf blade 10--26 cm, abaxially papillate (always so near base) and glaucous, base cuneate, intramarginal vein absent, reticulation obscure; twigs tomentellous to tomentose; fruit
cylindrical to narrowly ovoid, 1.2--2 cm |
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10 Symplocos glauca |
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| 18 (16) |
Petiole without glands or with few glands; leaf blade narrowly elliptic to narrowly ovate, margin entire, apex acute to rounded, intramarginal vein close to margin; corolla ca. 6
mm; disc flat, annular |
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34 Symplocos ulotricha |
| + |
Petiole with 2 rows of glands; leaf blade elliptic to ovate, margin glandular dentate to denticulate with 6--12 glands per cm, apex acuminate, intramarginal vein not close to margin;
corolla 3--5 mm; disc cylindrical, 0.5--1 mm |
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32 Symplocos adenopus |
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| 19 (12) |
Calyx hairy; fruit 6--8 mm wide |
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10 Symplocos glauca |
| + |
Calyx glabrous but sometimes margin ciliate, rarely woolly tomentose; fruit 2.5--5 mm wide (not known in S. spectabilis). |
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(20) |
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| 20 (19) |
Leaf blade margin with 6--12 glands per cm |
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32 Symplocos adenopus |
| + |
Leaf blade margin without glands or with less than 6 glands per cm. |
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(21) |
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| 21 (20) |
Disc cylindrical (annular in S. spectabilis). |
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(22) |
| + |
Disc flat, low cylindrical, or annular, often 5-glandular. |
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(25) |
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| 22 (21) |
Leaf blade margin glandular dentate to denticulate. |
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(23) |
| + |
Leaf blade margin entire with distinct marginal thickening. |
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(24) |
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| 23 (22) |
Stamens ca. 50; corolla apically ciliate, 5--8 mm |
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33 Symplocos stellaris |
| + |
Stamens ca. 30; corolla glabrous, 4--5 mm |
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31 Symplocos glomerata |
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| 24 (22) |
Leaf blade margin revolute, lateral veins abaxially obscure |
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33 Symplocos stellaris |
| + |
Leaf blade margin flat, lateral veins prominent |
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42 Symplocos spectabilis |
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| 25 (21) |
Twigs glabrous; leaf blade with 11-14 pairs of lateral veins |
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39 Symplocos poilanei |
| + |
Twigs hairy at least when young; leaf blade with 5--10 pairs of lateral veins. |
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(26) |
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| 26 (25) |
Twigs tomentellous; leaf blade elliptic to obovate, reticulation distinct; calyx lobes 1.5--3.5 mm |
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38 Symplocos congesta |
| + |
Twigs puberulent; leaf blade narrowly elliptic, reticulation obscure; calyx lobes ca. 1 mm |
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37 Symplocos austrosinensis |
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| 27 (11) |
Ovary hairy (glabrous in S. xylopyrena). |
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(28) |
| + |
Ovary glabrous. |
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(37) |
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| 28 (27) |
Bracts and bractlets glabrous or subglabrous but margin sometimes ciliate. |
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(29) |
| + |
Bracts and bractlets hairy. |
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(30) |
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| 29 (28) |
Leaf blade with 11--13 pairs of lateral veins; ovary ca. 1.7 mm; corolla ca. 6 mm; fruit ca. 3 X 1 cm |
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18 Symplocos xylopyrena |
| + |
Leaf blade with 4--10 pairs of lateral veins; ovary 1--1.5 mm; corolla 3--5 mm; fruit 0.9--1.2 X 0.4--0.5 cm |
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17 Symplocos ramosissima |
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| 30 (28) |
Petiole with 2 rows of glands; leaf blade margin with 6--12 glands per cm |
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15 Symplocos adenophylla |
| + |
Petiole without glands or with few glands; leaf blade margin with less than 6 glands per cm. |
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(31) |
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| 31 (30) |
Inflorescences a branched spike |
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16 Symplocos atriolivacea |
| + |
Inflorescences a branched or unbranched raceme or raceme forming a pseudocone in bud. |
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(32) |
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| 32 (31) |
Twigs glabrous. |
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(33) |
| + |
Twigs hairy at least when young. |
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(34) |
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| 33 (32) |
Disc cylindrical to pulvinate; leaf blade intramarginal vein not close to margin; bracts and bractlets persistent |
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11 Symplocos viridissima |
| + |
Disc flat or annular; leaf blade intramarginal vein close to margin; bracts and bractlets under fruit early deciduous. |
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7 Symplocos sumuntia |
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| 34 (32) |
Disc hairy; inflorescences a raceme, forming a pseudocone in bud; bracts and bractlets under fruit early deciduous. |
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(35) |
| + |
Disc glabrous; inflorescences a branched raceme; bracts and bractlets persistent. |
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(36) |
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| 35 (34) |
Leaf blade narrowly elliptic to narrowly ovate, abaxially minutely appressed hairy to pubescent, base cuneate, reticulation distinct; corolla ca. 4 mm; fruit 7--10 X ca. 4 mm |
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25 Symplocos sulcata |
| + |
Leaf blade obovate, abaxially tomentose, base broadly cuneate, reticulation obscure; corolla 6--9 mm; fruit 14--24 X 5--9 mm |
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23 Symplocos hookeri |
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| 36 (34) |
Leaf blade abaxially spreading long pilose; twigs densely pilose; terminal buds with long hairs; disc flat; fruit cylindrical, ca. 1.4 cm |
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26 Symplocos pilosa |
| + |
Leaf blade abaxially appressed fine hairy or glabrous; twigs pubescent; terminal buds pubescent; disc cylindrical; fruit ampulliform, 0.7--1 cm |
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11 Symplocos viridissima |
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| 37 (27) |
Inflorescences branched spikes. |
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(38) |
| + |
Inflorescences branched racemes or racemes forming a pseudocone in bud. |
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(42) |
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| 38 (37) |
Calyx hairy |
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28 Symplocos cochinchinensis |
| + |
Calyx glabrous. |
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(39) |
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| 39 (38) |
Twigs hairy at least when young; terminal buds with long hairs; petiole 2--3 mm; leaf blade abaxially hairy at least when young, apex caudate; calyx 3-lobed; fruit ovoid |
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8 Symplocos fordii |
| + |
Twigs glabrous; terminal buds glabrous or pubescent; petiole 7--25 mm; leaf blade abaxially glabrous, apex rounded, acuminate, or acute; calyx 5-lobed; fruit cylindrical,
ampulliform, narrowly ovoid, or subglobose. |
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(40) |
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| 40 (39) |
Leaf blade obovate; inflorescences 0.5--1.5 cm |
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39 Symplocos poilanei |
| + |
Leaf blade narrowly elliptic, elliptic, or ovate; inflorescences 3--14 cm. |
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(41) |
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| 41 (40) |
Leaf blade margin serrulate; terminal buds glabrous; bracts and bractlets under fruit early deciduous; bracts ca. 1 mm; fruit cylindrical to narrowly ovoid, 12--15 mm |
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13 Symplocos hainanensis |
| + |
Leaf blade margin glandular dentate or denticulate; terminal buds pubescent; bracts and bractlets persistent; bracts ca. 2 mm; fruit ampulliform or subglobose, 4--6 mm |
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28 Symplocos cochinchinensis |
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| 42 (37) |
Bracts and bractlets glabrous or soon glabrescent. |
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(43) |
| + |
Bracts and bractlets hairy. |
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(46) |
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| 43 (42) |
Petiole 1.5--4 mm |
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19 Symplocos modesta |
| + |
Petiole 5--30 mm. |
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(44) |
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| 44 (43) |
Disc hairy |
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23 Symplocos hookeri |
| + |
Disc glabrous. |
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(45) |
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| 45 (44) |
Calyx lobes ca. 1.5 mm; leaf blade reticulation fine; inflorescences a raceme, forming a pseudocone in bud; bracts and bractlets under fruit early deciduous; bracts 5--9 mm; ovary
1.5--2 mm; corolla 6--7 mm; fruit ellipsoid to obovoid, 1.5--2 cm |
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22 Symplocos crassilimba |
| + |
Calyx lobes 0.3--0.5 mm; leaf blade reticulation coarse; inflorescences a branched raceme; bracts and bractlets persistent; bracts 1--2 mm; ovary ca. 1 mm; corolla 1.5--4 mm; fruit
ovoid-oblong to ampulliform, 0.6--0.8 cm |
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12 Symplocos pseudobarberina |
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| 46 (42) |
Leaf blade abaxially hairy at least when young |
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21 Symplocos racemosa |
| + |
Leaf blade abaxially glabrous. |
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(47) |
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| 47 (46) |
Twigs hairy at least when young. |
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(48) |
| + |
Twigs glabrous or base of young twigs hairy between scars of bud scales. |
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(49) |
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| 48 (47) |
Leaf blade apex caudate-acuminate; stamens 20--50; disc glabrous |
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14 Symplocos heishanensis |
| + |
Leaf blade apex acute to obtuse; stamens 80 or more; disc hairy |
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21 Symplocos racemosa |
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| 49 (47) |
Twigs glabrous but base of young twigs hairy between scars of bud scales. |
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(50) |
| + |
Twigs glabrous. |
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(51) |
| |
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| 50 (49) |
Leaf blade narrowly elliptic, reticulation fine; inflorescences a raceme forming a pseudocone in bud, ca. 4 cm; calyx hairy |
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24 Symplocos pyrifolia |
| + |
Leaf blade elliptic to narrowly obovate, reticulation coarse; inflorescences a raceme, 6--9 cm; calyx glabrous |
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20 Symplocos dryophila |
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| 51 (49) |
Disc hairy; leaf blade base narrowly or broadly cuneate. |
|
(52) |
| + |
Disc glabrous; leaf blade base cuneate or rounded. |
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(53) |
| |
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| 52 (51) |
Petiole 0.5--0.7 cm; terminal buds pubescent; leaf blade narrowly elliptic, 4--8 X 1--3 cm, base narrowly cuneate, lateral veins 3--5 pairs, reticulation obscure; inflorescences a
branched raceme; calyx hairy |
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29 Symplocos paucinervia |
| + |
Petiole 1.2--3 cm; terminal buds glabrous; leaf blade obovate, 15--25 X 5.5--10 cm, base broadly cuneate, lateral veins 6--11 pairs, reticulation distinct; inflorescences a raceme
forming a pseudocone in bud; calyx glabrous |
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23 Symplocos hookeri |
| |
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| 53 (51) |
Bracts ca. 1 mm; fruit cylindrical to narrowly ovoid |
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13 Symplocos hainanensis |
| + |
Bracts 1.5--5 mm; fruit ampulliform to ovoid. |
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(54) |
| |
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| 54 (53) |
Leaf blade narrowly elliptic to narrowly obovate, lateral veins 9--14 pairs, reticulation obscure |
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14 Symplocos heishanensis |
| + |
Leaf blade elliptic to ovate, lateral veins 4--8(--10) pairs, reticulation distinct |
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7 Symplocos sumuntia |
