Oxalis lasiandra Zucc. in Abh. Math.-Phys. Cl. Koenigl. Bayer. Akad. Wiss. 2: 353. 1837; Pangtey et al. in J. Econ. Tax. Bot. 9(2): 411. 1987.

Herbs, acaulescent, 9 - 40 cm high, base bulbous; bulbs scaly, bulb-scales ribbed. Leaves shorter than scape; petiole sparingly pubescent; leaflets 7 - 9, spathulate, narrowly cuneate, 3 - 8 cm long, margins and surfaces with scattered hairs. Scape glabrous or nearly so; inflorescence 10 - 24-flowered. Pedicels 1.5 - 3 cm long. Sepals narrowly oblong, obtuse with 2 short tubercles at apex, 4 - 5 mm long, finely glandular pubescent. Petals shorter than filaments, 14 - 18 mm long, glabrous, crimson. Longer filaments pubescent above, each with an appendage on back.

Distrib. India: Report (Pangtey et al. l.c.) based on collections from areas adjoining Chaubattia garden in Ranikhet, probably an escape from cultivation; Uttar Pradesh (Kumaon).

Native of Mexico; introduced to many countries as an ornamental, at times runs wild.