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FOC | Family List | FOC Vol. 12 | Vitaceae

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.

1 Leaves papery, margin with fine, sharp teeth, veinlets conspicuous but not raised; fruit 1-1.3 cm in diam.   1 Y. thomsonii
+ Leaves subleathery, margin with rounded teeth, rarely inconspicuous, veinlets obviously raised when dried; fruit 1.5-2.5 cm in diam.   2 Y. austro-orientalis

Lower Taxa


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