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10. Cotinus Miller, Gard. Dict. Abr., ed. 4. 1754.
黄栌属 huang lu shu
Polygamous shrubs or small trees, with yellow wood and pungent-smelling resinous exudates. Leaves alternate, borne on slender petioles, simple, entire to slightly serrate. Inflorescence cymose or paniculate, terminal. Pedicel slender, 4-6 × longer than flower, further elongating and turning villous after anthesis in sterile flowers. Calyx 5-parted, lobes ovate-lanceolate, obtuse, persistent. Petals 5, 2 × as long as calyx. Stamens 5, shorter than petals; anthers ovate, shorter than filaments. Ovary obliquely compressed, 1-locular and 1-ovulate; styles 3. Drupe small, dark red to brown, reniform, compressed, glabrous or pubescent. Seed reniform, exalbuminous; seed coat thin; cotyledon complanate.
Five species: Asia, Europe, North America; three species (two endemic) in China.
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1 |
Mature plant less than 1 m tall; leaf blade 1-2 cm in diam.; fruit minutely pubescent. |
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1 C. nana |
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Mature plant more than 2 m tall; leaf blade more than 2 cm in diam.; fruit glabrous |
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(2) |
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2 (1) |
Leaf blade broadly elliptic, obovate, or ovate, glabrous or pubescent. |
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2 C. coggygria |
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Leaf blade broadly ovate to suborbicular, abaxially with tufts of hair in vein axils. |
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3 C. szechuanensis |
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Lower Taxa
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