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6. Aphananthe Planchon, Ann. Sci. Nat., Bot., sér. 3. 10: 265, 337. 1848.
[nom. cons., not Link (1821).]
糙叶树属 cao ye shu shu
Trees or shrubs, deciduous or semi-evergreen, dioecious or monoecious. Branchlets never spinose, never corky or winged. Stipules 2, free, caducous, leaving a short transverse scar on each side of the leaf base. Leaves alternate, distichous or in several ranks; papery to leathery, margin serrate or entire. Flowers appearing at same time as leaves, unisexual. Male inflorescences cymes. Female inflorescences 1-flowered. Male flowers: perianth 4- or 5-parted, tepals imbricate. Ovary absent or inconspicuous and hair-shaped. Stamens equal in number to tepals; filaments erect or apically incurved; anthers oblong. Female flowers: perianth 4- or 5-parted, tepals narrow and ± imbricate. Drupes ovoid to ± globose; exocarp ± fleshy; endocarp bony. Seed with thin endosperm or not; embryo involute; cotyledons narrow.
About five species: tropical and subtropical areas of E Asia, Madagascar, Mexico, and Pacific Islands; two species in China.
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Leaves leathery, pinnately veined; secondary veins anastomosing before reaching margin, margin entire or inconspicuously serrate; drupes 1.3-2 cm including beak, glabrous. |
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1 A. cuspidata |
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Leaves papery, 3-veined from base; secondary veins extending to margin, each ending in a tooth, margin sharply serrate; drupes 0.8-1.3 cm including beak, pubescent. |
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2 A. aspera |
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Lower Taxa
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