Sida alba
L., Sp. Pl. ed. 2. 966 . 1763. S.
alnifolia L. var. obovata Hu, Fl. China,
fam 153. 22, t. 16 f. 5 .
1955, non S. rhombifolia L. var. obovate Wallich ex Masters in Fl.
Brit. India 1: 324. 1874.
Undershrubs or herbs, up to 1 m high, stellate-pubescent. Leaves 1 -
2.5 x 0.5 -
2
cm, elliptic-obovate, cuneate or obtuse at base, acute at apex, crenate-serrate, glabres-
cent above, minutely stellate-pubescent beneath; petioles 0.5 -
1 cm long; stipules ca 5
nun long, filiform. Flowers axillary, solitary or paired; pedicels 3 -
6 mm long, fruiting
pedicel 1 -
2 cm long. Calyx 3 -
5 mm across, campanulate, free above the middle, lobes
2 -
4 x 1 -
2 mm, deltoid, acute. Corolla yellow slightly exceeding the calyx. Schizocarps
4 -
5 mm across, depressed globose; mericarps 5, ca 2 x 15 mm, stellate-pubescent, with
2 convergent apical awns; awns ca 0.8 mm long, hairy, mericarps dehiscing at base. Seeds
ca 1.5 mm long, glabrous, brownish black.
Fl. & Fr. Sept. - Dec.
Distrib. India: Throughout.
Pakistan.
Fl. & Fr. Sept. - Dec.
Distrib. India: Throughout.
Pakistan.