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FOC | Family List | FOC Vol. 7 | Menispermaceae | Stephania

37. Stephania miyiensis S. Y. Zhao & H. S. Lo, Guihaia. 10: 183. 1990.

米易地不容 mi yi di bu rong

Vines. Roots tuberous, fusiform or irregularly clavate, yellowish brown, with tuberculate lenticels. Stems twining, longitudinally striate, up to 1 cm thick at base, solid. Petiole 7-20 cm; leaf blade peltate, insertion 1.5-4 cm from margin, broadly rotund to triangular-rotund, length and width 7-18 cm, papery, base truncate, rounded, or slightly cordate, apex with finely mucronate acumen, palmately 10-12-veined. Male inflorescences composed of umbelliform cymes, axillary or sometimes on leafless old branches; peduncle 1.5-6 cm; umbellet pedicels 4-9; bracts filamentous; cymelets and flowers with pedicels. Male flowers: sepals 6 in 2 whorls, outer whorl ovate or obovate-lanceolate, 1.8-2.2 × 0.9-1.1 mm, inner whorl broadly rotund, 1.8-2.2 × 1.3-1.8 mm, base clawed, lobes auricled at each side; petals 3, fleshy, cuneate or broadly cuneate, ca. 1.2 × 1.8 mm, concave abaxially, with 2 large glands inside; synandrium ca. 1.6 mm. Female flowers unknown. Drupes with pedicel fleshy, red; endocarp rotund, 5-6.5 mm in diam.; condyle not perforate.

● Sichuan (Miyi).


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