Rhizomatous; stems 1-3 dm, eventually much branched, villous below with hairs 1-1.5 mm; lfls 6-15 mm wide; infl umbelliform, scarcely surpassing the lvs; pedicels sparsely villous with hairs 0.5-1 mm; pet yellow, 13-20 mm; fr to 20 mm, villous with hairs 1 mm; seeds 1.5 mm. Open woods; Ky. to Fla. and Miss. Apr., May. (O. priceae; Xanthoxalis p.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.