纤细轮环藤 xian xi lun huan teng

Cyclea densiflora (Yamamoto) Y. C. Tang & H. S. Lo; Paracyclea densiflora Yamamoto; P. gracillima (Diels) Yamamoto.

Vines, herbaceous. Young branches puberulent. Petiole shorter than lamina; leaf blade ± peltate, cordate-ovate to triangular-ovate, 2-8 × 1.5-5 cm, papery or membranous, abaxially tomentose, adaxially subglabrous, base deeply cordate to subtruncate, apex acuminate, usually palmately 5-veined. Male inflorescences solitary or 2- or 3-fascicled, paniculate or racemose, axillary, densely puberulent. Male flowers: sepals 5, connate at base, ovate to obovate, ca. 1 mm, base thickened, puberulent abaxially; petal 1, minute, rotund, sometimes absent; synandrium 1-1.2(-3) mm. Female inflorescences axillary, solitary, usually paniculate. Female flowers: sepal and petal each 1, broadly deltoid or broadly ovate, ca. 1 mm, hispid abaxially. Drupes red, subglobose, ca. 4 mm in diam., puberulent; endocarp abaxially bearing 3 rows of tubercles; condyle not perforate. Fl. Apr-Aug.

● Forests or shrublands at low altitudes. Hainan, Taiwan.