Desmanthus illinoensis (Michx.) MacMill. ex B.L.Rob. & Fernald

  • 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

    Desmanthus illinoensis (Michx.) MacMill. ex B.L.Rob. & Fernald

  • Description

    Species Description - Taprooted herb with clustered stems to 1 m or more; stipules filiform, 6–10 mm; lvs bipinnate, 5–10 cm, nearly sessile; pinnae 6–12 pairs, 2–4 cm; lfls 20–30 pairs, 1.5–3 mm, often ciliate; peduncles 2–6 cm, ascending; pet 2 mm; stamens 5; frs strongly curved or somewhat twisted together into a dense subglobose head, thin, 1–2.5 cm × 4–7 mm; seeds 3–5 mm, nearly as wide; 2n=28. Moist or dry soil, riverbanks, prairies, and pastures; O. to N.D., s. to Fla. and N.M., and occasionally intr. elsewhere. All summer. (Acuan i.)

  • Common Names