Sida grewioides var. microphylla Hochr.
Plant suberect, lower branches prostrate, up to 46 cm tall, stellate pubescent. Leaves ovate, oblong-ovate or elliptic, 1-4 cm long, 0.5-3 cm broad, serrate-crenate, obtuse; petiole 5-15 mm long; stipules filiform or linear, 3-8 mm long. Flowers yellow, axillary, usually solitary; pedicel (5-) 10 mm long, in fruit up to 2 cm, with or without articulation in the middle or near the top. Calyx 6-10 mm long, fused to the middle; prominently angular, accrescent in fruit; lobes deltoid, 5-7 mm broad, acuminate. Corolla 1.5-2 cm across; petals 8-12 mm long, 5-7 mm broad. Fruit depressed globose, enclosed by calyx; mericarps 7-8, 3-4 mm long, radially c. 3 mm broad, dorsally c. 2 mm broad, reticulate all over, glabrescent, indehiscent; awns 2, c. 1 mm long, connivent. Seeds 2-2.5 mm long, dark brown.
Holotype: Karachi, Chemistry Dept., University of Karachi, 40 cm higher, with fruits S. Abedin 5074 (KUH).
Distribution: India, Pakistan and Socotra.
In Pakistan it is common in Lower Sind and Baluchistan and Upper Punjab.
The present taxon differs from Sida ovata Forssk. in having yellow flowers, larger sepals and petals and having prominent reticulation on the radial surface of the mericarp, while in the latter taxon, the flowers are white with comperatively shorter sepals and petals and the reticulation on the mericarp is inconspicuous.