Shrub, 15-40 cm tall, with foetid smell. Stem woody at base, irregularly branched, branches erect-suberect, terete slender and scabrulous. Leaves opposite, 5–20 x 2–3 mm, linear-oblong, pubescent, sessile, subobtuse, acute. Stipules short, membranous, hispidulous, 1-2-dentate. Inflorescence terminal axillary, solitary or 2–3-flowered. Calyx-tube ovoid c. 2 mm long, hairy; limbs orbicular, membranous, reticulately veined, yellowish, hispid pubescent, unequally 5-7-lobed, lobes rounded or ovate, apiculate-acuminate, very small at the time of flowering, c. 2 mm in diameter, very much enlarged in fruit, up to 12 mm in diameter. Corolla white, 2-23 mm long, infundibuliform, deciduous, 5-lobed, lobes hairy outside, ± 3 times shorter than the tube, linear. Anthers ± sessile, c. 0.5 mm long. Style c. 1.5 mm long, deciduous. Fruit of 2 small, circular, hispid, indehiscent cocci, crowned by enlarged calyx limb, 1-1.5 mm long, crown up to 1.5 mm in diameter.

Fl. Per.: March-Nov.

Type: (Oman) Maskat, Aucher-Eloy 4677 (P), Iso (K, W).

Distribution: Arabia, Iran, Afghanistan and Pakistan.

A very common and distinctive species by its broadened and coloured calyces which are quite attractive. Ascending upto 1500 m among rocks and dry river beds.