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

25. Onosma adenopus I. M. Johnston, J. Arnold Arbor. 32: 224. 1951.

腺花滇紫草 xian hua dian zi cao

Herbs perennial, 20-30 cm tall. Stems several, cespitose, erect or ascending, densely hispid, short strigose. Basal leaves forming a rosette; leaf blade oblanceolate or lanceolate, 2-4 cm × 7-10 mm, densely hispid, base broadly cuneate or rounded, apex obtuse or acute; stem leaves lanceolate or oblong, 2-4.5 cm × 3-10 mm, abaxially densely hispid, adaxially densely hispid and short strigose, densely white pilose along veins and margin, only midvein evident. Inflorescences terminal and axillary, to 3-5 cm after anthesis, becoming racemose. Pedicel slender, 2-3 mm, elongated in fruit, densely hispid. Flowers crowded. Calyx 5-7 mm, parted to base; lobes linear, less than 1 mm wide, hispid outside, pubescent inside. Corolla blue-purple or light purple, tubular-campanulate, 8-10 mm; throat 3.5-5 mm wide; nectary ringlike, membranous, glabrous; lobes broadly triangular, 1-1.5 × ca. 2.5 mm, lobe midvein densely pubescent outside, glabrescent inside. Filaments subulate, 5-6 mm, not decurrent, base and nearby part of corolla tube papillate and glandular, inserted 3-3.5 mm above base of corolla tube; anthers laterally united, mostly exserted, apex sterile, 2-3 mm. Style 1-1.5 cm, glabrous. Nutlets yellow-white, 2-3 mm, wrinkled, tuberculate. Fl. and fr. Aug-Sep.

* Hillsides, benches in arid valleys; 2800-3500 m. C, NW and SW Sichuan, E Xizang.


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