Plant: erect to drooping, perennial, 4"-16" tall forb with several stems; taprooted Flower: yellow, 4-parted; inflorescence up to 6" long cluster (raceme) of stalked flowers Fruit: roundish pod about 1/8" wide Leaf: lower leaves narrow, mostly with smooth edges; the few upper leaves stalkless, tapering to the base Habitat: dry; cliffsides, prairies
Taprooted perennial with several erect or ascending stems 1-4 dm; basal lvs narrow, to 10 נ1 cm, entire or shallowly toothed, the cauline progressively smaller and not very numerous; racemes elongating to as much as 1.5 dm; pet 6-10 mm; ovules (2-)4-6(-8) per locule; pedicels elongating to 1-2 cm and soon becoming recurved; frs subglobose or obovoid, (3-)3.5-5.5(-6) mm, copiously and loosely stellate; style 3-5 mm; 2n=10, 30. Prairies, plains, and barrens; w. Ill. and e. Minn.; N.D. to Kans., w. to Mont., n. Ariz., and s. Nev. Apr.-Aug. (L. argentea, a preoccupied name)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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