Botanical name: Indigofera trita Family: Fabaceae (Pea family)
Synonyms: Indigofera cineraria, Indigofera timoriensis, Indigofera rigida
Asian Indigo is a spreading to erect annual or short-lived perennial herb or shrub, 1-3 ft high. Branches becoming whitish. Leaves are trifoliolate, about 0.8-2.5 cm long. Leaflets are about 1.2-2.6 cm long, obovate or oblong, velvety on both sides. Inflorescence is 6-12-flowered, 4.5 cm long or less. Flowers are pink. Sepal cup is 2.5 mm long, with linear teeth. Fruit is about 2.5-2.7 cm long, spreading or deflexed, tetragonous, 6-10-seeded. Flowering: July-September.
Identification credit: Dinesh Valke
The flower labeled Asian Indigo is ...