Oxalis caerulea

Oxalis caerulea, the blue woodsorrel, is a perennial plant and herb in the family Oxalidaceae. It is native to the southwestern United States.^[1]

Oxalis caerulea
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Oxalidales
Family:	Oxalidaceae
Genus:	Oxalis
Species:	O. caerulea
Binomial name
Oxalis caerulea (Small) R. Knuth[1]

A similar species is the tenleaf pink-sorrel (Oxalis decaphylla).