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FOC | Family List | FOC Vol. 11 | Linaceae | Linum

1. Linum corymbulosum Reichenbach, Fl. Germ. Excurs. 834. 1832.

长萼亚麻 chang e ya ma

Annuals 10-30 cm tall. Taproot pale, slender. Stems simple, erect, glabrous or sparsely pubescent, corymbosely branched apically from middle or sometimes branched at base and decumbent. Leaves alternate, narrowly lanceolate, 1-1.5 cm × 1-2 mm, nearly glabrous, 1-veined from base, margin slightly denticulate, apex acuminate to obtuse. Flowers axillary or opposite a leaf, solitary or in broad cymes, homostylous. Pedicel subequaling leaves or slightly shorter, erect. Sepals lanceolate, 4-6 × 1-1.5 mm, 2 × as long as capsules, 1-veined, basal margin glandular-ciliate. Petals yellow, long obovate, 6-8 × ca. 2 mm, base gradually narrowed into claw, apex obtuse. Capsule pale yellowish brown, globose-ovoid, 2-3 × ca. 1.5 mm. Seeds pale yellowish brown, elliptic, ca. 1 mm. Fl. Jun-Aug, fr. Jul-Oct. 2n = 18.

Sandy and gravelly floodplains, flat areas in deserts or on low mountains. Xinjiang [Afghanistan, Kazakhstan, Pakistan, Russia; N Africa, SW Asia, Europe].


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