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FOC | Family List | FOC Vol. 16 | Boraginaceae | Onosma

9. Onosma apiculatum Riedl, Novon. 5: 19. 1995.

细尖滇紫草 xi jian dian zi cao

Herbs perennial, with a rosette of leaves arising from either a stout vertical rhizome or from ± horizontal branches. Stems solitary, ascending, 20-35 cm tall, unbranched, straw colored when dry; bristles dense, white, patent, ca. 2 mm, intermixed with very short patent hairs. Leaves of sterile rosette green, linear-spatulate to linear-oblanceolate, 4-13 cm × 4-8 mm, abaxially bristly mainly along midvein, sparsely bristly elsewhere, densely short pubescent as on stem, adaxially patent to ± appressed white bristly, nearly flat tuberculate, base tapering, petiolelike, margin revolute, apex acute to ± obtuse; uppermost leaves 2.5-4 cm, widest near base, apex acute. Cymes single or paired, involute, 4-6 cm at anthesis; lower bracts to 2 cm. Pedicel 2-5 mm. Calyx ca. 1.5 cm, elongated after anthesis; lobes linear, densely ± appressed soft bristly and short pubescent, apex ± obtuse. Corolla pale yellow, club-shaped, 2-2.2 cm, ca. 3 mm wide at base, ca. 8 mm wide slightly below lobes, very minutely papillate outside, glabrous inside and on nectary; lobes recurved, apiculate, ca. 1.5 × 4.5 mm. Filaments ca. 7 × 0.8 mm, tapering; anthers coherent, ca. 9.5 mm, fertile part ca. 3.5 mm; sterile tips truncate, exserted by less than 1 mm. Style exserted by 2.5-3 mm; stigma 2-lobed. Nutlets unknown. Fl. Jun.

* Woodlands; ca. 2100 m. Xinjiang


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