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SCBG Checklist | Family List | Aristolochiaceae | Aristolochia

Aristolochia debilis Sieb. et Zucc.


Description from Flora of China

Aristolochia recurvilabra Hance; A. sinarum Lindley.

Herbs twining. Stems terete, smooth, glabrous, with enlongate internodes. Petiole 1-2 cm, glabrous; leaf blade ovate or oblong-ovate to sagittate, 3-6 × 1.5-3.5 cm, papery, both surfaces glabrous, veins palmate, 2-3 pairs from base, base cordate, sinus 1-1.5 cm deep, apex acute or obtuse. Flowers axillary, solitary or paired. Pedicel 1-1.5 cm, ascending, glabrous; bractlets deltoid, 2-3 × 2-3 mm, inserted near base of pedicel. Calyx yellow-green, throat dark purple; tube rectilinear, abaxially glabrous; utricle globose, 3-5 mm in diam., sessile; tube 20-25 × 2-3 mm; limb unilateral, ligulate, ovate-lanceolate, 2-3 × ca. 1 cm, apex obtuse. Anthers elliptic, ca. 0.5 mm. Gynostemium 6-lobed. Capsule subglobose, 4-6 cm in diam., dehiscing acropetally. Seeds obtusely deltoid, ca. 4 × 4 mm, with membranous wing. Fl. Jul-Aug, fr. Sep-Oct.

This very important medicinal plant was first identified by Thunberg as Aristolochia longa Linnaeus.

Thickets, mountain slopes, moist valleys; 200-1500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Sichuan, Zhejiang [Japan].


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