Psoralidium tenuiflorum (Pursh) Rydb.

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name

    Psoralidium tenuiflorum (Pursh) Rydb.

  • Description

    Species Description - Erect, much branched, to 1 m, gray- strigose, rhizomatous; petioles 0.4–1 cm; lfls 3 or 5, narrowly elliptic to oblanceolate, subglabrous above, mostly 2–4 cm × 5–8 mm; racemes loose and open, 4–10 cm, on elongate peduncles exceeding the lvs; pedicels 1.5–3 mm; fls 1–4 per node, blue (white), 5–8 mm; cal hirsute and glandular-punctate, the tube 1.5–2 mm, the lobes narrowly triangular, acute, the lowest 1.2–1.8 mm, the other 4 shorter; fr flattened-ovoid, 7–8 mm; 2n=22. Dry prairies and plains; Mont. to Utah and Ariz., e. to Minn., Ind., and Mo. May, June. (Psoralea t.; Psoralea floribunda)

  • Common Names

    gray scurf-pea