Bulb and succulent root of a two year old Oxalis macrocarpa (AG49). There are four bulblets on ~1/2 cm stolons; three are visible. The root has begun to contract, noticeable in its folded epidermis. The scale bar is 1 cm.
Distribution of Ionoxalis species by state/province/dept. Areas with more intense red have more species; centers of diversity are in SE Brazil, Andean Bolivia, and central Mexico. Data from Lourteig, 2000; and Denton, 1973.