Polypodium scouleri |
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coast, leathery polypody, Scouler's polypody |
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Habit | Perennials, usually lithophytes; stems stout, 3-12 mm in diameter, whitish pruinose, bland to somewhat sweet flavor; scales solid dark brown or with pale edges, lanceolate, margins finely toothed. |
Leaves | Leaves monomorphic, to 85 cm long and 27 cm broad on stout petioles to 3 mm in diameter; blade ovate-lanceolate, pinnafitid, typically widest just above base, stiff and leathery; rachis sparsely scaly to glabrescent beneath and glabrous above; scales dark brown with pale edges, ovate-lanceolate, greater than 6 cells wide; segments oblong to linear, usually more than 12 mm broad, margins entire to finely scalloped; apex rounded or uncommonly broadly acute; midrib glabrous on upper surface; venation joining to usually form 1 row of areoles. |
Spores | Sori in 2 rows tightly spaced against midrib, usually larger than 3 mm in diameter, circular when immature; spores usually less than 52 micrometers, surfaces wrinkled. |
Polypodium scouleri |
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Habitat | Cliffs and rocky outcroppings along the coast. |
Distribution | Occurring west of the Cascades crest in Washington; British Columbia south along the coast to California.
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Origin | Native |
Conservation status | Not of concern |
Sibling taxa | |
Web links |
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