Oxalis hirta


Sp. Pl. 1: 434. 1753.

Common names: Tropical wood-sorrel
Treatment appears in FNA Volume 12. Treatment on page 146. Mentioned on page 136.
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Oxalis hirta is recognized by its rhizomatous habit, sessile to subsessile leaves with unlobed leaflets, and large, solitary, axillary flowers. Plants apparently do not fruit in California. T. M. Salter (1944) referred to O. hirta as a polymorphous group-species and recognized seven varieties in South Africa, primarily based on variation in habit and corolla color (white to pink, purplish, or yellowish) and shape (funnelform to cylindric).


V12 916-distribution-map.jpg

Introduced; Calif., Africa (South Africa), introduced also in Europe, Australia.


Varieties 5–7 (1 in the flora).

Selected References