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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Dryopteridaceae||View Description||Dichotomous Key|
|Genus: Polystichum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Polystichum imbricans (D.C. Eaton) D.H. Wagner
Leaf: stipe generally 1/5--1/2 blade, base scales +- 2--3 mm wide, lanceolate, those above proximal pinnae generally < 1 mm wide, falling early; blade narrow-lanceolate to -elliptic, 1-pinnate. Sporangia: indusium +- entire to toothed. Chromosomes: 2n=82.
Note: Some plants from Butte, Tehama cos. difficult to assign to subsp. Hybridizes with Polystichum dudleyi (forming both sterile diploids and fertile allotetraploids called Polystichum californicum), Polystichum lemmonii (forming fertile allopolyploids called Polystichum scopulinum), Polystichum munitum.
eFlora Treatment Author: Alan R. Smith
Jepson Online Interchange
Previous taxon: Polystichum dudleyi
Next taxon: Polystichum imbricans subsp. curtum
Citation for this treatment: Alan R. Smith 2016. Polystichum imbricans, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=39415, accessed on December 04, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 04, 2016.