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

29. Asarum inflatum C. Y. Cheng & C. S. Yang, J. Arnold Arbor. 64: 589. 1983.

灯笼细辛 deng long xi xin

?Asarum dabieshanense D. Q. Wang & S. H. Hwang.

Herbs. Rhizomes vertical, 2-3 mm in diam., internodes less than 1 cm. Leaves solitary; petiole 7-10 cm, puberulent; leaf blade uniformly colored, ovate, triangular-ovate, or subhastate, 4-11 × 5-11 cm, abaxial surface glabrous or puberulent, adaxial surface puberulent along veins and margin, base auriculate, lateral lobes divaricate, 2.5-3.5 × ca. 2.3 cm, apex acute; cataphylls ovate, ca. 1.5 × 1 cm. Peduncle ascending to recurved, ca. 1 cm. Calyx dull purple, campanulate-rotate, inflated at middle, 3-4 × 3-4.5 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube lantern-shaped, basal 1/2 cylindric, ca. 1 × 1.5 cm, apical 1/2 abruptly swollen into broad disk with abaxial ridges, ca. 0.9 × 2 cm, narrowly constricted at throat, adaxially densely rugose-ribbed, orifice ring ca. 4 mm wide; lobes ovate, ca. 3.5 × 2.5 cm, base with pinkish triangular corrugate-papillate area. Stamens 12; filaments much shorter than anthers; connectives slightly extended beyond anthers, obtuse. Ovary half-inferior. Styles free, apex 2-forked; stigmas lateral. Fl. May.

* Forests, valleys, moist places, rock fissures. ?Anhui, NE Sichuan.

Asarum dabieshanense, described from Anhui (Changchong), is included here on the basis of the protologue; further research is needed to clarify its position and status.

This species is used medicinally.


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