Pink Woodsorrel is an introduced perennial herb tropical America. Members of the genus Oxalis have clover or shamrock-like leaves, with either 3 or 4 leaflets, that arise from underground bulbs. O. debilis can have leaves up to 3 or 4 inches wide and pretty, dainty flowers. It can be found growing in shady conditions and would fit right into a woodland garden if you don't mind it spreading.
