Samiksha Jaiswal

Polypodium hesperium

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Kingdom  Plantae
Order  Polypodiales
Genus  Polypodium
Rank  Species
Division  Pteridophyta
Family  Polypodiaceae
Scientific name  Polypodium hesperium
Polypodium hesperium Polypodium hesperium Wikipedia
Class  Polypodiopsida/Pteridopsida (disputed)
Similar  Polypodium calirhiza, Polypodium appalachianum, Polypodium californicum, Polypodium scouleri, Polypodium glycyrrhiza

Polypodium hesperium is a species of fern known by the common name western polypody. It is native to western North America from British Columbia to California, and the Rocky Mountains to northern Mexico, where it grows in rocky habitat types.

Polypodium hesperium SEINet Arizona Chapter Polypodium hesperium

This is an allopolyploid species of hybrid origin, its parent species being Polypodium glycyrrhiza and Polypodium amorphum.

Description

Polypodium hesperium Polypody Polypodium hesperium Synonyms Polypodium prolongilobum

This polypody anchors with a thin, scaly rhizome. It produces oblong leaves 25 to 35 centimeters in maximum length and 7 in width. Each leaf is made up of many dull-pointed linear or lance-shaped segments which may be thin and membranous or firm and leathery in texture, and smooth or serrated on the edges. The underside of each leaf segment has a few brownish, reddish, or nearly black sori, which contain the spores.

Polypodium hesperium Western Polypody Polypodium hesperium Synonyms Polypodium
Polypodium hesperium Western Polypody Polypodium hesperium Synonyms Polypodium

Polypodium hesperium wwwswcoloradowildflowerscomRange20MapsFernsP
Polypodium hesperium SEINet Arizona Chapter Polypodium hesperium

References

Polypodium hesperium Wikipedia


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Polypodium appalachianum
Polypodium californicum
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