Pellaea glabella Mett. ex Kuhn

  • 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

    Pellaea glabella Mett. ex Kuhn

  • Description

    Species Description - Similar to P. atropurpurea, but with monomorphic lvs mostly 10–20 cm, the pinnae somewhat decurrent, gradually departing at acute angles to the rachis; basal pinnae with 3–7 segments, less than twice as long as the upper; longest ultimate segments mostly 1–2 cm; petiole and rachis glabrous or slightly hairy; scales of the rhizome discrete, uniformly rust- brown, lustrous, the tips not entangled; margins of the fertile segments usually strongly reflexed, leaving but few sporangia exposed; ours mostly tetraploid (2n=116) and apogamous, the sporangia with 32 spores. Calcareous cliffs or bluffs; Vt. to Va. and Tenn., w. to Minn., Kans., and Tex., and in the western cordillera. Our pls are var. glabella. (P. atropurpurea var. bushii)

  • Common Names

    smooth cliff-brake