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FOC | Family List | FOC Vol. 12 | Vitaceae | Vitis

20. Vitis ruyuanensis C. L. Li, Chin. J. Appl. Environ. Biol. 2: 244. 1996.

乳源葡萄 ru yuan pu tao

Plants polygamo-dioecious. Branchlets terete, slender, with inconspicuous longitudinal ridges, glabrous; tendrils unbranched. Leaves simple, undivided or 3-5-lobed; stipules caducous; petiole 1.5-2 cm, glabrous; leaf blade abaxially purplish, sagittate or ovate-hastate, 5-8 × 3-4 cm, abaxially pubescent on veins, adaxially glabrous or with sparse very short hairs, basal veins 5, lateral veins 5 or 6 pairs, veinlets conspicuous but not raised, base cordate, notch acute or obtuse, margin irregularly finely 7-10-toothed on each side, apex acuminate. Panicle leaf-opposed, 7-9 cm, basal branches undeveloped; peduncle 1.5-2 cm, subglabrate. Pedicel 2-3 mm, subglabrate. Buds obovoid, 1.5-2 mm, apex rounded. Calyx ca. 2 mm, entire. Filaments filiform, ca. 1 mm; anthers yellow, elliptic, ca. 0.5 mm. Ovary conical; style slender. Berry globose, 6-8 mm in diam. Seeds obovoid, base rostrate, apex retuse, chalazal knot rounded, ventral holes furrowed from base nearly to apex. Fl. Apr-May, fr. Jun-Jul.

● Shrublands on hillsides; ca. 200 m. Guangdong.


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