轮环娃儿藤 lun huan wa er teng

Lianas woody, to 1.5 m. Stems pale gray, sparsely pubescent along 2 lines, densely papillate. Petiole ca. 1 cm, grooved adaxially, base sharply delineated from rest of petiole by dark line; leaf blade ovate, 2-7 × 2-3.5 cm, thick papery, glabrous, base rounded to very minutely cordate, apex acute; basal veins 3, prominent, ascending; lateral veins 2 or 3 pairs. Inflorescences with single, ca. 10-flowered, umbel-like cymule; peduncle 0.2-2 cm. Pedicel slender, 6-12 mm. Sepals elliptic, ca. 1 × 0.5 mm; glands few. Corolla purple, rotate, glabrous; tube ca. 1 mm; lobes oblong or ovate-oblong, ca. 4 × 2 mm. Corona lobes ovate, fleshy, pouched, apex rounded and reaching base of anthers. Anthers ca. 0.5 mm, appendages rounded; pollinia globose, hori-zontal. Ovaries glabrous. Follicles (immature) cylindric, ca. 11 cm × 5 mm, divergent at 180º, apex long acute. Fl. Jul-Sep.

* Montane forests. Guangxi, Hainan.