Spermacoce articularis L.f.
Family: Rubiaceae
Taxonomy: Plantae > Tracheophyta > Magnoliopsida > Gentianales > Rubiaceae > Spermacoce > S. articularis
Common name [English]: False button weed
Vernacular name [Malayalam]: തറുതാവൽ
Nativity: Tropics & Subtropics
Habitat: Grasslands and dry deciduous forests, also in the plains.
Description: Diffuse herbs; stem 4-angled, adpressed minutely hairy. Leaves 1-2.5 x 0.8 - 1.4 cm, elliptic or obovate, base attenuate, margin flat, rarely flexuous, apex obtuse, acute, apiculate, more or less scabrid on both sides; stipules with long subulate hispid bristles. Flowers in axillary, few-flowered sessile clusters. Calyx-tube obovoid; lobes 2, c. 1.5 mm long, with 2 intermediate teeth, hairy. Corolla pinkish-white, tube funnel-shaped, usually much longer than lobes, c. 2.5 mm long, with a ring of hairs inside. Stamens 4, exserted. Capsule 4-6 x 3-4 mm, globose, hispid, 2-valved, splitting septicidally into two mericarps then septum ditaches from the valves, releasing the seeds. Seeds 2-3 mm long, oblong, brown, reticulate.
Flowering and Fruiting : August-October
Uses : Used in traditional medicines
Cultivation : wild
References
http://www.plantsoftheworldonline.org
https://indiabiodiversity.org