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Chinese Plant Names | Family List | Boraginaceae | Onosma

Onosma decastichum Y. L. Liu

易门滇紫草

Description from Flora of China

Herbs perennial, ca. 45 cm tall, pallid, hispid, densely retrorse pubescent. Stems single, not branched. Basal leaves narrowly lanceolate, 3-6 cm × 3.5-6 mm, abaxially densely tomentose, adaxially hispid and pubescent, base attenuate, apex acute; stem leaves crowded, lanceolate, 3-8 × 1-1.5 cm, abaxially gray-white, densely tomentose, adaxially green, hispid and pubescent, base rounded, apex acuminate; main veins 3, lateral veins conspicuous. Inflorescences terminal and axillary, in densely flowered panicles ca. 10 cm; bracts lanceolate, 5-10 mm. Pedicel ca. 3 mm, slender. Calyx 5-6 mm, densely white pubescent, parted nearly to base; lobes linear-lanceolate. Corolla blue-purple, tubular-campanulate, ca. 1 cm, base 1.5-2 mm wide, gradually expanded upward; throat 3-4 mm wide, densely short strigose outside, 10-ranked, sparsely short hispid inside and between lobes; nectary ca. 0.3 mm, 10-lobed, white villous; lobes triangular-lanceolate, 2-2.5 × 1-1.5 mm, apex recurved. Filaments subulate, inserted 2-2.5 mm above base of corolla tube; anthers laterally united, 7-7.5 mm, almost completely exserted. Style 1.3-1.5 cm. Nutlets gray-brown, 2-2.5 mm, shiny. Fl. Oct.

* Meadows, thickets; ca. 1300 m. C Yunnan


 

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