台湾紫丹 tai wan zi dan

Shrubs climbing, 1-5 m tall. Petiole ca. 1 cm; leaf blade ovate to elliptic or lanceolate, usually densely minutely tuberculate, 6-10 × 2-5 cm, abaxially spreading short pubescent or subglabrous, adaxially hirtellous or strigose, base obtuse to rounded, apex acuminate. Cymes terminating leafy branches, sparsely branched; branches slender, usually 1-3 cm. Flowers sessile. Calyx 1-2 mm, strigose; lobes lanceolate-ovate to lanceolate. Corolla white, 3-4 mm; throat ca. 2.5 mm wide, sparsely strigose; lobes rounded, ca. 1.5 mm wide. Anthers sessile, less than ca. 1 mm, inserted ca. 1 mm above base of corolla tube. Ovary glabrous or apex sparsely short pubescent. Style short; stigma globose to terete, ca. 2 × as wide as style, apex obscurely 2-cleft. Fruit white, ca. 5 mm, divided at maturity into 4 1-seeded mericarps.

Taiwan [Indonesia, Philippines; NE Australia].