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

10. Onosma gmelinii Ledebour, Fl. Altaic. 1: 184. 1829.

黄花滇紫草 huang hua dian zi cao

Herbs perennial, gray-white, 25-40 cm tall, hispid, strigose. Stems single or several, cespitose, erect, not branched. Basal leaves long petiolate, oblanceolate, 10-12 cm × 5-10 mm, abaxially densely pubescent and hispid along veins and margin, adaxially densely appressed hispid and short strigose, base attenuate, apex obtuse; stem leaves sessile, lanceolate, 2-5 cm × ca. 5 mm. Inflorescences terminal, not branched, 4-6 cm wide at anthesis, with numerous crowded flowers; bracts lanceolate, 1-1.5 cm, densely hispid, short strigose. Pedicel short, ca. 5 mm. Calyx (1.2-)1.5 cm, to 2 cm in fruit, densely hispid, short strigose, parted nearly to base; lobes linear-lanceolate. Corolla yellow, tubular-campanulate, 2-2.5 cm, base ca. 2 mm wide, gradually expanded upward; throat 5.5-7.5 mm wide, obscurely pubescent outside, glabrous inside; lobes broadly triangular, ca. 2 × 3 mm. Filaments subulate, 9-10 mm, decurrent, exserted; anthers united laterally, ca. 1 cm, included, apex sterile, ca. 2 mm. Style 1.6-2.2 cm, included, glabrous. Nectary ca. 1 mm, glabrous. Nutlets gray-brown, ca. 5 mm, lustrous, smooth, gradually tapering to beak, not gibbous. Fl. May-Jun.

Arid rocky slopes; ca. 1200 m. N Xinjiang (Fuyun Xian) [Kazakhstan, Kyrgyzstan, Mongolia, Russia, Tajikistan, Turkmenistan, Uzbekistan].


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