Botanical name: Thermopsis inflata    Family: Fabaceae (Pea family)

Bladder-Pod Pea is a perennial herb, 10-20 cm tall. Flowers are borne in lax racemes, 3-10 cm; bracts 1-1.5 cm; flower-cluster-stalk 5-7 mm. Flowers are yellow, about 2.5 cm, pet­als almost equal. Ovary is 12-17-ovuled, linear, with 5-10 mm stipe. Sepal-cup is 1.6-2 cm, slightly swollen, white hairy. Stems are erect, branched, white. Stipules are broadly obovate, pointed, 1.5-2.5 cm; leaves stalkless or nearly so; leaflets obovate, 1-2.5 x up to 1.6 cm, white spreading hairy below, especially when young, hairless above, base wedge-shaped, asymmetric, tip pointed. Pod is pale brown, broadly ovate, 3-5 x 1.8-3 cm, inflated, curved downward. Bladder-Pod Pea is found in gravelly meadows by lakes or streams, slopes, alpine rocky cliffs, at altitudes of 4500-5000 m, from Pakistan to Himalaya and W. China. Flowering: June-July.

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The flower labeled Bladder-Pod Pea is ...