Woodsia obtusa (Spreng.) Torr.

  • 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

    Woodsia obtusa (Spreng.) Torr.

  • Description

    Species Description - Rhizome-scales few, lance-linear, 2–3.5 × 0.3–0.6 mm, attenuate, sparingly glandular-fimbriate, with a dark central stripe when mature; lvs few, 25–55 cm; petiole stramineous, not articulate, sparingly glandular-hairy and scaly when young; blade lanceolate, 3.5–10 cm wide, slightly narrowed below, bipinnate-pinnatifid, the rachis glandular-hairy and sparingly scaly; pinnae 13–18 pairs, rather remote, subsessile, ovate or lance-ovate, sparsely glandular-hairy on the costae, costules, and veins; pinnules 6–13 pairs, oblong, rounded, deeply pinnatifid with 4–6 pairs of rounded, crenate segments; indusial segments 4–6, several cells wide, glandular-margined, incurved and covering the sporangia when young; 2n=152–156. Shady ledges and loose talus-slopes, mostly in circumneutral soil; Me. to Minn. and e. Nebr., s. to Fla. and Tex.

  • Common Names

    blunt cliff-fern