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Oxalis dillenii Jacq.
Slender yellow woodsorrel
Synonyms: Oxalis prostrata, Oxalis stricta, Oxalis rupestris
USDA Symbol: oxdi2
USDA Native Status: Native to U.S.
The name Oxalis is derived from a Greek word for sour, referring to the sour taste of the leaves. This plant grows to 15 inches tall and develops a deep tap root. Stems are usually erect. Leaves are palmately divided into 3 heart-shaped leaflets, green to yellow-green, which fold in the evening or when it is cloudy. The yellow flowers are 1/2–1 inch across, with 5 sepals, 5 petals, 10 stamens, and 1 pistil. There are 1 to several blossoms on a slender stem borne in the leaf axils.
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug , Sep , Oct , Nov
AR , AZ , CO , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WY Canada: AB
, SK Native Habitat:
Fields, glades, prairies, disturbed areas, and roadsides. USDA Native Status: L48(N), CAN(I)
Herbarium Specimen(s)NPSOT 0341
Collected May 26. 1987 in Bexar County by Harry CliffeNPSOT 0717
Collected Mar 13, 1994 in Comal County by Mary Beth White
Wildflower Center Seed BankLBJWC-0142
Collected 2007-07-19 in Travis County by Lady Bird Johnson Wildflower Center
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Record Modified: 2009-11-12
Research By: DEW