Polypodium scouleri |
Polypodium amorphum |
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coast polypody, leather-leaved polypody |
Pacific polypody |
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Stems | stout, white-pruinose, densely clothed in scales; scales brown, longtoothed; margins often pale; taste bland. |
slender, usually white-pruinose; scales dense, lanceolate, toothed; reddish brown, usually with paler margins; taste acrid/bitter. |
Leaves | to 60 cm; petiole to 25 × 0.2 cm. |
to approximately 30 cm long; petiole well developed; up to 10 cm; slender, approximately 1 mm thick. |
Blades | pinnatifid, narrowly ovate; stiff and leathery, dark green; to 35 × 8 cm, with relatively few pairs of robust pinnae; adaxial surface glabrous; scales on abaxial surface scattered; broad; convex, brown, with pale margins. |
pinnatifid, slightly leathery, glabrous above, 6–12 cm, occasionally longer, 2–4 cm wide, narrowly oblong or slightly wider in the mid-region; hairs absent; scales narrowly ovate; more than 6 cells wide, often sparse, mostly confined to the abaxial rachis. |
Pinnae | oblong; up to 9 × 2 cm; margin usually subentire; apex rounded to acute; some veins anastomosing, forming indistinct areolae along the pinnae. |
short, oblong; up to 10 × 2.5 cm; apex rounded or obtuse; margins subentire to entire; veins free. |
Sori | round; large; over 3 mm, often absent on proximal pinnae; sporangiasters absent. |
to 2.3 mm; sporangiasters present, interspersed with the fertile sporangia. |
2n | =74. |
=74. |
Polypodium scouleri |
Polypodium amorphum |
|
Distribution | ||
Discussion | Epiphytic and on rocks. 0–600 m. CR, Est. WA, CA; north to British Columbia, south to northern Mexico. Native. |
Moist cliffs and rocky outcrops. 0–1000 m. Casc, CR. WA; north to British Columbia. Native. |
Source | Flora of Oregon, volume 1, page 96 Duncan Thomas |
Flora of Oregon, volume 1, page 95 Duncan Thomas |
Sibling taxa | ||
Web links |
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