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

23. Stephania kuinanensis H. S. Lo & M. Yang, Bull. Bot. Res., Harbin. 2(1): 46. 1982.

桂南地不容 gui nan di bu rong

Herbaceous vines, up to 3 m, glabrous. Stems and branches longitudinally striate. Petiole usually shorter than leaf blade, rarely slightly longer; leaf blade triangular-rotund, length and width 7-9(-10 or more) cm, papery, base subtruncate to slightly rounded, margin entire or occasionally sparsely dentate, apex mucronate, palmately 9- or 10-veined, fine reticulation very clear. Male inflorescences compound umbelliform cymes, axillary, solitary or few on short axillary branches with reduced leaves, slightly fleshy; peduncle slender, 1-4 cm; umbellet pedicels 6 or 7, ca. 1 cm; bracts linear. Male flowers (not fully mature): sepals light green, outer whorl 3, oblanceolate, ca. 1.5 × 0.6 mm, inner whorl obovate, ca. 1.5 × 0.9 mm; petals 3, fleshy, orangish yellow, broadly cuneate, ca. 0.8 mm wide, inside with 2 glands at base; synandrium ca. 1 mm, anthers 6 or 7. Young female inflorescences capitate. Female flowers unknown. Infructescences axillary; peduncle straight, 4-6.5 cm; umbellet pedicels 1 cm or shorter; fruiting pedicel straight, 2-3 mm, not fleshy. Drupes red, obovate; endocarp ca. 6.5 × 5.5 mm, with columnar tubercles apically obtuse.

● Wastelands. Guangxi (Longzhou).

The tuberous rootstock of Stephania kuinanensis is relatively small, less than 10 cm in diam., and contains the alkaloids L-dicentrine and rotundine.


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