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

4. Aristolochia kaempferi Willdenow, Sp. Pl. 4: 152. 1805.

异叶马兜铃 yi ye ma dou ling

Aristolochia chrysops (Stapf) E. H. Wilson ex Rehder; A. dabieshanensis C. Y. Cheng & W. Yu; A. heterophylla Hemsley; A. kaempferi f. heterophylla S. M. Hwang; A. kaempferi f. mirabilis S. M. Hwang; A. mollis Dunn; A. neolongifolia J. L. Wu & Z. L. Yang; A. shimadae Hayata; Isotrema chrysops Stapf; I. heterophyllum (Hemsley) Stapf; I. lasiops Stapf.

Shrubs climbing, somewhat herbaceous. Stems terete, striate, villous, glabrescent. Petiole 1.5-6 cm, densely villous; leaf blade ovate to ovate-lanceolate, obovate-oblong, or linear, 3-18 × 0.3-8 cm, papery, abaxially sparsely white villous, adaxially glabrous, veins palmate, 2-4 pairs from base, base shallowly cordate to auriculate, sinus 0.5-1 cm deep, margin lobed or entire, apex acute to acuminate. Flowers axillary, solitary or paired. Peduncle usually pendulous, 2-7 cm, pubescent; bractlets brownish, ovate to lanceolate or subrotund, 5-15 × 3-15 mm, inserted at base or middle of peduncle, with short stalk or sessile and amplexicaul. Calyx yellow-green with purple veins, throat yellow, 3-4 cm; tube horseshoe-shaped, abaxially villous; basal portion of tube 20-25 × 30-80 mm; limb discoid-subrotund, 2-3 cm in diam., 3-lobed; lobes broadly ovate. Anthers oblong, ca. 1 mm. Gynostemium 3-lobed. Capsule cylindric or ovoid, 3-7 × 1.5-2 cm, dehiscing basipetally. Seeds obovoid, 3-4 × 2-3 mm. Fl. Mar-May, fr. Jun-Aug.

Forests, thickets, mountain slopes. Anhui, S Gansu, W Hubei, Shaanxi, W Sichuan, Taiwan [Japan].


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