Sida cordifolia

Species: Sida cordifolia

English Name: Heart-leaved Sida

Chinese Name: 心葉黃花稔

Family: Malvaceae

Description:
Subshrubs erect, ca. 1 m tall. Branchlets, stipules, petioles, and leaves densely stellate strigose; branchlets and petioles velutinous, hairs ca. 3 mm. Stipule filiform, ca. 5 mm; petiole 1-2.5 cm; leaf blade ovate, 1.5-5 × 1-4 cm, abaxially velutinous on veins, base minutely cordate or rounded, margin crenate, apex obtuse to rounded. Flower solitary or fascicled, axillary or terminal. Pedicel 5-15 mm, densely stellate pilose and with long hairs, articulate in distal part. Calyx cup-shaped, lobes triangular, 5-6 mm, densely stellate pilose and with long hairs. Corolla yellow, ca. 1.5 cm in diam.; petals oblong, 6-8 mm. Filament tube ca. 6 mm, hirsute. Schizocarp 6-8 mm in diam.; mericarps 10, with vertical grooves, apex 2-awned, awn 3-4 mm, exceeding calyx, retrorsely barbed. Seeds long ovoid, apex hairy. Fl. year-round.

Photos used under a Creative Commons license

References:

- Wu ZY, Raven PH, Hong DY (eds) (2007). Flora of China, Volume 12: Hippocastanaceae through Theaceae. Science Press, Beijing, and Missouri Bot Garden Press, St. Louis