Flowering from May to July; fruiting from August to October.
Fritillaria cirrhosa is close relative of Fritillaria cirrhosa, but differs from the latter in its nectaries elliptic to ovate, 3-5 mm long, 2-3 mm wide (vs. suborbicular, ca. 2 mm long, 2 mm wide), filaments sometimes papillose (vs. glabrous).
Fritillaria cirrhosa is occurring in Gansu, Qinghai, Sichuan, Xizang, Yunnan of China, Bhutan, India, Nepal, Sikkim.
Bulb of 2 scales, 1-2 cm in diameter. Stem 15-60 cm tall. Leaves 7-11, opposite or sometimes also 3-4-whorled and alternate; leaf blade linear to linear-lanceolate, 4-12 cm long, 3-8 mm wide, apex often curved or cirrose. Inflorescence 1-3-flowered; bracts 3, apex curved or cirrose. Flower nodding, campanulate or narrowly so; pedicel much shorter than tepals. Tepals yellow or yellowish green, slightly or heavily spotted or tessellated with purple, usually oblong-elliptic, 3-5 cm long, 1.2-1.7 cm wide; nectaries elliptic to ovate, 3-5 mm long, 2-3 mm wide, projecting abaxially. Stamens 2-3 cm long; filaments sometimes slightly papillose. Style 3-lobed; lobes 3-5 mm long. Capsule narrowly winged; wings 1-1.5 mm wide.
The chromosomal number of Fritillaria cirrhosa is 2n = 24 (Chatterjee, 1971; Roy et al, 1988; Xie et al., 1992).
Growing in forests, alpine thickets, meadows, flood lands, moist places; 3200-4500 m.
The bulbs of Fritillaria cirrhosa are used medicinally.
