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

22. Asarum taipingshanianum S. F. Huang C. X. Xie & T. C. Huang, Taiwania. 40: 106. 1995.

太平山细辛 tai ping shan xi xin

Herbs. Rhizomes horizontal, 2-3 mm in diam., internodes 1-3 cm. Leaves solitary; petiole 6-8 cm, sparsely pubescent to glabrescent; leaf blade abaxially uniformly pale green or purple, adaxially green with white spots, triangular-oblong, 3.2-5.3 × 2.1-4.7 cm, adaxial surface dotted with glands, glabrescent to sparsely pubescent along veins and margin, base cordate, lateral lobes 1-2 × 1.3-2.3 cm, apex obtuse; cataphylls ovate, to 1 × 1 cm. Peduncle ascending to recurved, ca. 0.4 cm. Calyx purple, campanulate, 1.5-2 × 1-1.5 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube campanulate, ca. 1 × 1 cm, slightly constricted at throat, adaxially inconspicuously tessellate, orifice ring absent; lobes spreading, broadly ovate, 0.5-0.8 × 0.4-0.7 cm, adaxially pubescent. Stamens 12; filaments much shorter than anthers; connectives slightly extended beyond anthers, obconic. Ovary nearly superior. Styles free, apex emarginate; stigmas lateral. Fl. Jan.

* Forests, shady mountain slopes; ca. 1900 m. Taiwan.

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


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