Fritillaria unibracteata is a species of flowering plant in the lily family Liliaceae, native to Gansu, Qinghai, Sichuan Provinces in China.Flora of China Vol. 24 Page 131 暗紫贝母 an zi bei mu Fritillaria unibracteata P. K. Hsiao & K. C. Hsia in S. C. Chen & K. C. Hsia, Acta Phytotax. Sin. 15(2): 39. 1977.
It is a bulb-forming perennial up to 40 cm tall. The flowers are pendent and nodding, bell-shaped, dark purple with yellowish-brown markings.
Varieties Fritillaria unibracteata var. longinectarea S.Y.Tang & S.C.Yueh - Sichuan Fritillaria unibracteata var. unibracteata - Gansu, Qinghai, Sichuan Fritillaria unibracteata var. wabuensis (S.Y.Tang & S.C.Yueh) Z.D.Liu, Shu Wang & S.C.Chen - Sichuan
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