红骨母草 hong gu mu cao

Vandellia mollis Bentham, Scroph. Ind. 37. 1835; Diceros montanus Blume; Lindernia montana (Blume) Koorders, not Hiern; Vandellia montana (Blume) Bentham.

Annuals, creeping, stoloniferous, rooting from nodes, shiny white hirtellous except for corolla. Roots fibrous. Stems curved and apically ascending, 5-20 cm or longer, few branched, striate, internodes long. Leaves sessile to short petiolate; leaf blade oblong-lanceolate to oblong, 0.7-2.5 cm X 2-6 mm, with white shiny sericeous appressed hairs, base cuneate to subcordate, margin irregularly serrate to crenate, apex acute to obtuse. Racemes axillary from upper leaves, short or sometimes subumbellate, to 10-flowered or more, sometimes flowers solitary in axils; bracts small, subulate. Pedicel to 2.5 cm. Calyx to 5-7 mm, lobed to base; lobes lanceolate. Corolla purple to yellow-white, 8-10 mm; lower lip spreading flat, 3-lobed. Filaments of anterior stamens with a toothlike appendage. Stigma 2-lobed. Capsule narrowly ovoid, shorter than persistent calyx. Seeds lattice-tuberculate. Fl. Jul-Oct, fr. Sep-Nov.

Fields, scrub on sunny mountain slopes, forest edges, along streams; 900-1400 m. Fujian, Guangdong, Guangxi, Jiangxi, S Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Pakistan, Vietnam].