Jepson eFlora: Taxon page
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Polypodiaceae
POLYPODY FAMILY

Polypodiaceae
Habit: Perennial herb, on pls, rocks, in rock crevices, or in soil, humus, or on dunes; rhizome short- to long-creeping, branched, glaucous to not, scaly. Leaf: +- alike or of 2 kinds, fertile and sterile; stipe thin to thick, generally straw-colored or green to brown, base persistent on rhizome; blade generally simple to 1-pinnate, membranous to fleshy or leathery; veins free to generally fused, often netted. Sporangia: sori round to elongate (linear), generally 1 per areole, in 1--several rows on each side of segment midrib; indusium 0; spores elliptic, +- smooth to coarse-tubercled or -ridged, scar linear.
Genera In Family: +- 40 genera, +- 650 species: worldwide, especially tropics; many species cultivated.
eFlora Treatment Author: Alan R. Smith
Scientific Editor: Thomas J. Rosatti.
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Citation for this treatment: Alan R. Smith 2016. Polypodiaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=21, accessed on December 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 05, 2016.