Morphology of the American bulb-bearing Oxalis. From left to right: Oxalis perdicaria, telmatica, triangularis, macrocarpa, and decaphylla.
I love the blue paper.
Some Oxalis bulbs we found in South America from top left: O. perdicaria, O. potamophila; center; O. telmatica; lower left: O. bisecta, O. linarantha.
O perdicaria 3686. A mid.
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.