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|Family: Polypodiaceae||View Description||Dichotomous Key|
|Genus: Polypodium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Polypodium scouleri Hook. & Grev.
Habit: Rhizome 3--12 mm diam, conspicuously white-glaucous, taste bland; scales with darker midstripe, often partly deciduous in age. Leaf: evergreen 1--several seasons; blade 6--18(50) cm, deltate to oblong-ovate, thick, leathery, firm, brittle, midrib adaxially glabrous, abaxially with deltate, dark brown, shiny scales near base, segments crenate, margins thickened, tips generally round or round-obtuse, veins +- often fused. Sporangia: sori 2--6 mm, ovate to round, often +- merged, with short, branched, glandular hairs or not. Chromosomes: 2n=74.
Ecology: Coast, generally in heavy fog-drip or salt-spray zones, on plants (especially Douglas fir, Eucalyptus), dunes, rocky cliffs, bluffs, mountain ridges, granitic or volcanic rocks, mossy logs, or in soil; Elevation: < 600 m. Bioregional Distribution: NCo, NCoRO, CCo, SnFrB, SCo; Distribution Outside California: to British Columbia, Baja California (Guadalupe Island). Note: See Polypodium calirhiza. Plants called Polypodium scouleri from northern ChI are fertile or sterile hybrids (2n=111,148) involving Polypodium californicum.
eFlora Treatment Author: Alan R. Smith
Jepson Online Interchange
Previous taxon: Polypodium hesperium
Next taxon: Pteridaceae
Citation for this treatment: Alan R. Smith 2017. Polypodium scouleri, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=39364, accessed on February 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 20, 2017.