Oxalis corniculata L.
Prostrate perennial herb, the parts glabrate to pubescent or pilose; stock slender to rather stout; stems slender, creeping and rooting, us. much-branched, forming depressed us. dense patches up to 10 cm. or more diam. Lvs alt., trifoliolate, on very slender petioles up to ± 5 cm. long; stipules minute, sts absent. Lflts broad-obcordate to obovate-cuneate, or apex emarginate; 3-5-8 mm. long or more, membr., often glaucous or reddish below; sinus, if present, narrow. Peduncles 1-(4)-fld, ± 2 cm. long; bracteoles minute; pedicels becoming reflexed. Fls up to 10 mm. diam.; sepals narrow-ovate, ± 4-5 mm. long; petals pale to bright yellow, ± 10 mm. long. Capsule broad-cylindric, ± 10 mm. long; seeds few to several.
DIST.: K., N., S. Dune-hollows, streamsides, loose debris, grassland and open places, lowland to montane throughout.
FL.- FT. 9-3.