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

24. Onosma yajiangense W. T. Wang ex Y. L. Liu, Acta Phytotax. Sin. 18: 64. 1980.

雅江滇紫草 ya jiang dian zi cao

Herbs perennial, gray-white, ca. 30 cm tall, appressed hispid, pubescent. Stems frequently cespitose, not branched. Basal leaves long petiolate, narrowly oblanceolate, 1.4-1.8 cm × 4-10 mm, abaxially densely strigose and hispid along veins, adaxially hispid and strigose, base attenuate, apex obtuse; upper and middle stem leaves sessile, lanceolate, 3-6 cm × 5-10 mm, 3-veined. Inflorescences terminal and axillary, in panicles 4-8 × 8-12 cm; bracts lanceolate, 3.5-6 mm. Pedicel slender, 5-7 mm, densely hispid, strigose. Calyx 7-9 mm, densely hispid, strigose, parted nearly to base; lobes lanceolate. Corolla tubular-campanulate, ca. 1 cm, 1-1.5 mm wide at base; throat 4-5.5 mm wide, densely yellow strigose outside, only lobe midvein white pubescent inside; nectary ca. 0.5 mm, white villous; lobes broadly triangular, ca. 1.5 × 2 mm, margin revolute, apex caudate. Filaments ca. 5.5 mm, decurrent part pubescent, inserted 3.5-4 mm above base in corolla tube; anthers laterally united, ca. 7.5 mm, almost completely exserted. Style ca. 1.2 cm, exserted, glabrous. Nutlets unknown. Fl. Jul.

* W Sichuan.


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