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FOC | Family List | FOC Vol. 5 | Aristolochiaceae | Asarum

21. Asarum bashanense Z. L. Yang, Acta Bot. Boreal.-Occid. Sin. 5: 50. 1985.

巴山细辛 ba shan xi xin

Herbs. Rhizomes vertical, 2-5 mm in diam., internodes less than 1 cm. Leaves solitary; petiole 8-25 cm, glabrous to sparsely pilose; leaf blade uniformly colored, ovate-cordate to hastate-cordate, 6-17 × 5-16 cm, abaxial surface glabrous, adaxial surface pubescent, base broadly cordate, lateral lobes 2-3 × 3.5-6 cm, apex acute to acuminate; cataphylls ovate to ovate-lanceolate, ca. 1.5 × 1 cm. Peduncle ascending to recurved, 1-5 cm. Calyx deep red, campanulate-rotate, 2-3 × 4-5 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube cylindric, ca. 0.9 × 1-1.5 cm, slightly constricted at throat, adaxially reticulate-corrugate, orifice ring ca. 1 mm wide; lobes broadly ovate, 1.5-2 × 2-2.5 cm, base with a rounded papillose area. Stamens 12; filaments much shorter than anthers; connectives slightly extended beyond anthers, obtuse. Ovary half-inferior. Styles free, apex notched; stigmas lateral. Fl. Mar-Jun.

* Forests, mountain slopes, moist shady areas; 700-900 m. Sichuan.

No specimens were seen; the data above are from the original description and figure. That figure was labeled “Asarum infaustum Z. L. Yang,” but this was clearly in error because this name is otherwise unknown and the same vernacular name as A. bashanense was used.


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