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FOC | Family List | FOC Vol. 6 | Caryophyllaceae | Cerastium

7. Cerastium dichotomum subsp. inflatum (Link) Cullen in Hedge & al., Notes Roy. Bot. Gard. Edinburgh. 27: 211. 1967.

膨萼卷耳 peng e juan er

Cerastium inflatum Link in Desfontaines, Tabl. Ecole Bot., ed. 3, 462. 1829.

Herbs annual, 10--15 cm tall. Stems simple or few branched, erect, pubescent, mixed with glandular hairs distally. Leaves ovate-lanceolate, 1--3 cm × 2--5 mm, pilose, base amplexicaul, margin ciliate, apex acuminate. Dichasium terminal, somewhat lax; bracts leaflike, ovate-lanceolate, pilose. Calyx ovate, 1--1.2 cm × ca. 3.5 mm, strongly inflated in fruit, abaxially glandular pubescent, margin membranous. Petals oblong-obovate, ca. 1.5 × as long as calyx, apex retuse. Stamens 10. Styles 5. Capsule erect, conical-cylindric, ca. 1.5 × as long as calyx, teeth flat. Fl. May--Jul.

Coniferous forests, hilly meadows; ca. 1500 m. Xinjiang [Kazakhstan; SW Asia].

Some authors treat this taxon at specific rank, as Cerastium inflatum . It differs from typical C. dichotomum (from N Africa, C and SW Asia, and S Europe) in having the dichasium somewhat lax and the calyx strongly inflated in fruit.


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