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2. Yua C. L. Li, Acta Bot. Yunnan. 12: 2. 1990.
俞藤属 yu teng shu
Authors: Prof. Zhiduan Chen & Jun Wen
Lianas, woody, hermaphroditic, with lenticels and white pith. Tendrils 2-branched. Leaves palmately pentafoliolate. Compound dichasium leaf-opposed. Flowers 5-merous. Calyx cupular, entire. Petals 5, coherent in bud, opening at anthesis and falling off separately. Stamens usually 5. Disk inconspicuous. Style conspicuous; stigma inconspicuously enlarged. Berry spherical, sweet and sour in taste. Seed flat, pyriform, base rostrate, apex retuse, ventral holes furrowed upward 2/3 from base; cross-section of endosperm M-shaped. 2n = 40*.
Two species: China, India, Nepal; two species (one endemic) in China.
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1 |
Leaves papery, margin with fine, sharp teeth, veinlets conspicuous but not raised; fruit 1-1.3 cm in diam. |
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1 Y. thomsonii |
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Leaves subleathery, margin with rounded teeth, rarely inconspicuous, veinlets obviously raised when dried; fruit 1.5-2.5 cm in diam. |
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2 Y. austro-orientalis |
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Lower Taxa
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