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

6. Onosma setosa Ledebour, Beitr. Naturk. 70. 1820.

刚毛滇紫草 gang mao dian zi cao

Herbs perennial, 20-40 cm tall. Stems single or several and cespitose, erect or ascending. Basal leaves oblanceolate, 10-25 cm × 5-10 mm, base attenuate, apex obtuse; stem leaves sessile, linear or lanceolate, 2.5-6.5 cm × 5-7 mm. Inflorescences terminal, 3-4 cm wide at anthesis, to 15 cm in fruit, racemose, many flowered; bracts lanceolate, 1-2 cm × 3-6 mm. Pedicel short, ca. 5 mm, elongated in fruit, spreading yellow hispid, short strigose. Flowers crowded. Calyx 1-1.5 cm, to 3 cm in fruit, densely hirsute, parted nearly to base; lobes linear-lanceolate. Corolla yellow; tubular-campanulate, base 2-2.5 mm wide, gradually expanded upward; throat 5-7 mm wide, glabrous on both sides; nectary ringlike, ca. 0.5 mm, glabrous; lobes broadly triangular, 1-2 mm, recurved at apex. Filaments 3-5 mm; anthers united at base, 8-10 mm, included, sterile apex 1-1.5 mm. Style 2.5-2.8 cm, exserted from corolla. Nutlets yellow-brown, ca. 5 mm, wrinkled. Fl. and fr. Jun. 2n = 12.

Steppes, stony slopes. Xinjiang [Kazakhstan, Mongolia, Russia]

1 Plants whitish gray hirsute; corolla 2-2.2(-2.5) cm   6a subsp. setosa
+ Plants yellow-green hirsute; corolla 1.5-1.8(-2) cm   6b subsp. transrhymnense

Lower Taxa


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