小花蝴蝶草 xiao hua hu die cao

Herbs, 7-20 cm tall, villous. Stems erect or diffuse, branched from base; branches often decumbent, rooting from nodes. Petiole ca. 5 mm; leaf blade ovate to ovate-lanceolate, 1-2 X 0.8-1.5 cm, glabrous, base broadly cuneate, margin serrate, apex acute. Inflorescences axillary near stem apex, usually 2-5-flowered fascicles. Calyx 6-8 mm in fruit, 5-ribbed. Corolla blue, 0.8-1.2 cm. Anterior stamens with a toothlike appendage. Capsule 5-7 mm. Seeds ca. 0.4 mm. Fr. Oct.

Guangxi [India, Indonesia; tropical Africa and America].