Polypodium scouleri |
Polypodium appalachianum |
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coast polypody, leather-leaved polypody |
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Stems | stout, white-pruinose, densely clothed in scales; scales brown, longtoothed; margins often pale; taste bland. |
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Leaves | to 60 cm; petiole to 25 × 0.2 cm. |
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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. |
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Pinnae | oblong; up to 9 × 2 cm; margin usually subentire; apex rounded to acute; some veins anastomosing, forming indistinct areolae along the pinnae. |
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Sori | round; large; over 3 mm, often absent on proximal pinnae; sporangiasters absent. |
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2n | =74. |
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Polypodium scouleri |
Polypodium appalachianum |
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Distribution | ||
Discussion | Epiphytic and on rocks. 0–600 m. CR, Est. WA, CA; north to British Columbia, south to northern Mexico. Native. |
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Source | Flora of Oregon, volume 1, page 96 Duncan Thomas |
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Sibling taxa | ||
Web links |
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