Spermacoce alata Aubl.

Description:

Bukit Tagar, Selangor, Malaysia.Spermacoce alata Aubl. Rubiaceae. CN: [Malay - Rumput setawar], Broadleaf-button weed. Widespread, naturalized from tropical America. Branched herb; stem fleshy, rectangular, ca 60 cm tall. Leaves opposite, elliptical, rather thick, broadest above the middle, tip broadly and shortly pointed, base tapered, variable in size, ca 2.5-5 cm long and 2,5 cm wide, hairy on both sides, short leaf stalk. Leaf-base joined with cup-shaped stipules with bristles on edges. Flower heads from leaf-axils ca 0.6-1.2 cm, through, white, hairy calyx of four sepals, corolla-tube white with lilac petals; stamens and stigma forked. Fruit hairy, splitting into two pairs.Synonym(s):Borreria alata (Aubl.) DC.Borreria latifolia (Aubl.) K. Schum.Borreria scabrida DC.Spermacoce aspera Aubl. Spermacoce bartlingiana Hemsl. Spermacoce caerulescens Aubl. Spermacoce latifolia Aubl. Spermacoce scabrida Pohl ex DC. [Invalid]... and many more. See www.theplantlist.org/tpl1.1/record/kew-193377Ref and suggested reading:FRIM Flora Databasewww.theplantlist.org/tpl1.1/record/kew-193377