OXALIS PILOSA Nutt.; T. & G. Fl. N. A. i : 212. 1838.
Perennial by a woody base, caulescent, stoutish, densely pilose throughout, pale green. Stern erect, ascending, or decumbent, 1-3 dm. long, usually simple, woody below ; leaves peltately 3-fol iolate, 1-2 cm. broad, pilose on both sides; petioles slender, 2-6 cm. long, with narrow dilated stipules ; leaflets mostly broader than long, sharply notched at the apex, ciliate, the lobes equal or nearly so ; peduncles stoutish, surpassing the subtending leaVes, topped by 1-3 umbellate-cymose pedicels which are subtended by linear-subulate bracts ; flowers yellow, nearly 2 cm. broad, rarely
solitary ; sepals ovate-lanceolate or oblong-lanceolate, 4-5 mm. long, obtuse, pilose ; petals obovate, notched, 12-15 mm. long ; filaments pilose; capsule columnar, 1.4-1.7 cm. long, abruptly pointed, tipped by the spreading style-tips, clothed by a minute gray pubescence, commonly longer than the reflexed pedicels ; seed obovoid, 1.5 mm. long, marked with slightly interrupted transverse ridges.
California, from the Valley of the Sacramento to Santa Barbara.