Blumea megacephala
(Randeria) Chang et Tseng in Acta Phylo. Sin.
12(3): 310. 1974. B.
riparia (Blume) DC. var. megacephala Randeria in Blumea 10: 215. 1960. B. chinensis DC., Prodr. 5: 444. 1836 p.p. (non Conyza
chinensis L.); Hook.f., Fl. Brit. India 3: 268. 1881.
Scandent shrubs or undershrubs; stems 1-2.5 m tall, branched, woody at
base, glabrate or sparsely puberulous in younger parts. Leaves obovate oblong
to elliptic-oblong, rounded at base, shortly acuminate, margins denticulate with
rigid teeth, 2-12 x 1-5 cm, glabrate on both surfaces, shortly petioled. Heads in
terminal or axillary panicles on long peduncle, 1.4-1.8 cm in diam. Involucral
bracts almost equalling the florets, 1-10 mm long; outer bracts distinctly oblong ovate, hairy on back; inner ones linear-oblong, scarious, sparsely hairy.
Receptacle flat, 2-5 mm in diam., hairy, corolla of bisexual florets yellow,
tubular, 5-6 mm long, 5-lobed; lobes hairy; corolla of female florets filiform,
4.5-5.5 mm long, 2-4 -lobed, occasionally pubescent on the lobes. Achenes pale
brown, oblong, ribbed, pubescent, Pappus white, 4-6 mm long, copious.
Fl. & Fr. Throughout the year.
Distrib. India: Nagaland.
China and Indochina.
Fl. & Fr. Throughout the year.
Distrib. India: Nagaland.
China and Indochina.