Oxalis dillenii Jacq.

The New York Botanical Garden
Plants of U.S. A.
Oxalidaceae Oxalis dillenii Jacq.
det. M. Nee, 2011
WISCONSIN, Richland Co., 3 miles SE of center of Richland
Center.
T 10 N; R 1 E; NEtt NEK Sect. 35.
43°18’25.5”N, 90°19’56.75”W. alt. 230 m.
Weeds on bare soil of construction site at house on farm, in
full sun until afternoon. Polygonum aviculare ssp. buxiforme,
Euphorbia maculata.
Low clumps, decumbent but mostly not rooting.
Flowers opening after 9:00 A.M., fully open by 10:00 A.M.,
sunny, bright yellow, mostly facing the sun like miniature
Helianthus annuus.
03766089