Volume 14 > Part 2 > Year 2019 > Page 328 > Malvaceae > Sida

8. Sida subcordata Span.wfo-0001078114

Linnaea 15: 172. 1841; Backer & Bakh.f., Fl. Java 1: 427. 1963; Borss.Waalk., Blumea 14: 201. 1966; T.K.Paul & M.P.Nayar, Fasc. Fl. India 19: 2001. 1988; Sivar. & Pradeep, Malvaceae S. Penins. India: 253. 1996; Y.Tang et al. in C.Y. Wu et al., Fl. China 12: 273. 2007.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Subshrub, erect, 1–2 m tall; most parts sparsely minutely stellate hairy or glabrous. Leaves ovate, ovate-elliptic, or elliptic-oblong, 1–16 by 0.5–8.5 cm, base rounded to truncate, occasionally shallowly cordate, apex acute to shortly acuminate, margin minutely crenate to serrate, upper surface glabrescent, lower surface sparsely stellate-pubescent; basal veins 3–5. Petiole 0.5–4 cm long. Stipules linear to filiform, 3–5 mm long. Flowers solitary, axillary, mostly subterminal clusters, racemes or panicles by reduction of apical leaves. Peduncle longer than petiole, 0.6–2.5 cm long, accrescent to ca 4 cm in fruit, articulate at middle, sparsely stellate-pubescent. Calyx widely campanulate, 0.7–1.1 cm long, 1.4–1.7 cm in diam.; lobes 5, ovate to triangular, 5–8 by 5–6 mm, glabrous, sparsely stellate hairy along margin. Corolla yellow, 2.5–4 cm in diam. Petals obovate, ca 1.2 by 1 cm, base slightly oblique, apex somewhat emarginate, glabrous. Staminal column 0.6–1 cm long, stellate hairy at base, filaments numerous, slender, 1–3 mm long, pubescent. Ovary depressed globose, ca 1 mm long; style branches 8-10; stigmas capitate. Schizocarp subglobose, 4–7 mm in diam., enclosed within accrescent calyx; mericarps 8–10, laterally triangular with acute angles, 4–5 mm high, black at maturity, prominently reticulate on side and back; apex 2-awned, awns up to 2 mm long, divergent, glabrous. Seed reniform or ovoid, 2 by 1.5 mm, flattened, glabrous except for sparsely hairy hilum, dull black.

Thailand : NORTH-EASTERN: Sakhon Nakhon; EASTERN: Nakhon Ratchasima.

Distribution : India, Myanmar, China, Cambodia, Laos, Vietnam, Malay Peninsular, Indonesia, the Philippines.

Ecology : Margins of open forests, wasteland, along roadsides, to 1,200 m alt.

Uses: The entire plant is used medicinally.