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1. Cerastium cerastioides (L.) Britton in Mem. Torr. Bot. Club. 5: 150. 1894. Schischkin in Kom., Fl. URSS 6: 435; Wendelbo in Nytt Mag. Bot. 1: 127. 1952; Mizushima in Kitam., Fl. Afghan. 110. 1960 & in Pl. W. Pak. & Afghan. 48. 1964; Webster & Nasir in Pak. J. Bot. 15(3):222. 1965; Cullen in Davis, Fl. Turk. 2:75. 1967; Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 240. 1972.
SHAHINA A. GHAZANFAR & YASIN J. NASIR
Cerastium intermedium WilliamsCerastium trigynum Vill.Stellaria cerastioides L.
Perennial with lax spreading stems; 10-15 (-20) cm. Stems erect to ascending, usually glabrous below, sparsely to densely glandular-pubescent above. Leaves 10-15 (-18) x 2-3 mm, linear-oblong to oblong-lanceolate, apex subacute, base sessile, the lower leaves usually in axillary fascicles. Bracts herbaceous. Inflorescence a lax few flowered (1-7) cyme. Pedicels longer than the calyx, densely glandular-pubescent. Sepals 4-5 mm, lanceolate, glandular-pubescent; often tinged purple, with scarious margins. Petals white, about twice the length of the sepals, bilobed. Styles 3. Capsule 1½ to 2 times the length of the sepals, teeth resolute. Seed yellowish-brown, c.0.75 mm, subreniform, papillate.
Fl. Per.: July-August.
Type: Described from Sweden and France, Hb. Linn. 584/10 (LINN).
Distribution: Europe, Central Asia, Iran, Himalaya in India & Pakistan.
There is considerable variation in the presence and density of the glandular indumentum. Most of our plants are glandular hairy. This species is common in the northern regions of Pakistan, on edges of streams and open places (usually damp) from 3353-4877 m.
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