Description
Annual herb, 40-60 cm, often branched.
Leaves membranaceous, oblong or lanceolate-ovate, 5-8.5 by 2-4.5 cm, obtuse, base cuneate or rounded, entire;
Flowers numerous (over 30), subsessile, in axillary, globose verticillasters (2-3.5 cm Ø) distributed on distant nodes.
Distribution
Africa present, Asia-Tropical: India present; Malaya (Peninsular Malaysia present), Perak present, continental Asia present, tropical America present
Tropical America, Africa, and continental Asia (India and Indo-China); in Malesia: Malay Peninsula: Perak, one collection.
Citation
Ridl. 1923 – In: Fl. Mal. Pen.: 650
Miq. 1859 – In: Fl. Ind. Bat.: 983
Hook.f. 1885 – In: Fl. Br. Ind.: 688
R.BR. 1834: Lab. Gen. Sp.: 617
BTH. 1830 – In: Wall., Pl. As. Rar. 1: 60
PRAIN 1907 – In: J. As. Soc. Beng.: 718
R.BR. 1848 – In: DC., Prod. 12: 533
