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Chinese Plant Names | Family List | Aristolochiaceae | Asarum

Asarum petelotii O. C. Schmidt


Description from Flora of China

Herbs. Rhizomes horizontal, 3-4 mm in diam., internodes 6-8 cm. Leaves solitary; petiole 8-23 cm, glabrous; leaf blade uniformly colored, narrowly ovate, triangular-ovate, or oblong-hastate, 13-21 × 6.5-13 cm, abaxial surface pubescent along veins then glabrescent, adaxial surface glabrous, base auriculate or hastate, lateral lobes divaricate, ca. 7 × 6 cm, apex long acuminate; cataphylls ovate-lanceolate, ca. 1.6 × 0.5 cm. Peduncle ascending, 3-5 cm. Calyx purple or greenish purple, urceolate-rotate, 4-5 × 4-5 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube cylindric, asymmetrically inclined to one side, 3-5 × 1.5-2 cm, slightly constricted at throat, adaxially longitudinally ribbed with rows of papillae, orifice ring inconspicuous; lobes broadly ovate, ca. 2 × 2.5 cm, middle with semirounded purplish area, base with papillae, these forming vertical rows extending basally. Stamens 12; filaments much shorter than anthers; connectives slightly extended beyond anthers, ligulate. Ovary half-inferior. Styles free, apex 2-fid; stigmas lateral. Fl. Feb-May.

No specimens were seen; the data above are from the original description and figure.

This species is used medicinally.

Forests, mountain slopes, moist shady areas; 1100-1700 m. S Yunnan [Vietnam].


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