Oxalis dillenii Jacq.
Family: Oxalidaceae
Dillenius' oxalis, southern yellow wood-sorrel
Oxalis dillenii image
Michael Clayton  
Etymology: Oxalis: from the Greek oxus for "sour," referring to the pleasantly sour taste of the leaves and stem
Plants: erect to drooping, perennial, up to 16" tall forb, hairy, not creeping, weedy
Leaves: 3-parted, alternate
Flowers: yellow, 5-parted, 1/3"-3/4" wide; inflorescence an umbel-like, un-branched cluster of stalked flowers from the leaf axils
Fruits: grayish, 1/2"-1" capsule on a spreading or slightly bent stalk; seeds brownish with white ridges
Conservation Status: Native