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

26. Vitis amurensis Ruprecht, Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg. 15: 266. 1857.

山葡萄 shan pu tao

Branchlets terete, glabrous, with sparse arachnoid tomentum when young; tendrils 2- or 3-branched. Leaves simple; stipules brown, 4-8 × 3-5 mm, membranous, entire, apex obtuse; petiole 4-14 cm, with sparse arachnoid tomentum when young, eventually glabrate; leaf blade broadly oval, 6-24 × 5-21 cm, adaxially with sparse arachnoid tomentum when young, then glabrescent, basal veins 5, lateral veins 5 or 6 pairs, veins raised abaxially, conspicuous or slightly impressed adaxially, abaxial veinlets conspicuous, ± raised, usually pubescent or glabrescent, base cordate, notch rounded to obtuse, base of lobes usually constricted or mixed with broad ones, notch rounded, rarely acute or obtuse, margin 28-36-toothed on each side, teeth sharp, slightly irregular, apex acute or acuminate. Panicle leaf-opposed, loose, 5-13 cm, basal branches well developed, with sparse arachnoid tomentum when young, eventually glabrescent. Pedicel 2-6 mm, glabrous. Buds obovoid, 1.5-3 mm, apex rounded. Calyx 0.2-0.3 mm, glabrous, subentire. Petals calyptrate. Filaments filiform, 0.9-2 mm; anthers yellow, ovoid-elliptic, 0.4-0.6 mm, conspicuously short and abortive in female flowers. Disk 0.3-0.5 mm. Ovary conical; style obvious, slightly thick at base. Seeds obovoid, apex retuse, chalazal knot elliptic, ventral holes furrowed upward to middle or near apex from base. Fl. May-Jun, fr. Jul-Sep.

● Forests, shrublands, hillsides, valleys; 100-2100 m. Anhui, Hebei, Heilongjiang, Jilin, Liaoning, Shandong, Shanxi, Zhejiang.

Vitis amurensis var. funiushanensis F. S. Wang (J. Trop. Subtrop. Bot. 8: 5. 2000), described from Henan, could not be treated here because no material was seen by the authors.

1 Berry 1-1.5 cm in diam.   26a var. amurensis
+ Berry 0.8-1 cm in diam.   26b var. dissecta


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