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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: Pteridaceae||View Description||Dichotomous Key|
|Genus: Adiantum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Adiantum jordanii Müll. Hal.
Leaf: 20--50(70+) cm; stipe red-brown to +- black; blade 2--3-pinnate; pinnules cut or lobed often < 1/4 way to base, generally with < 4 +- irregular lobes, margins at base converging at 90--180(240)°, stipe color often ending +- abruptly at base, midvein forked into +- equal branches, not along margin. Sporangia: sori (and false indusia) 1--3(5) per pinnule, generally > 5 mm. Chromosomes: 2n=60.
Ecology: Shaded hillsides, moist woodland; Elevation: < 1200 m. Bioregional Distribution: CA-FP (exc uncommon or absent > 1200 m CaR, SNH); Distribution Outside California: Oregon, Baja California. Note: Cult; sterile hybrids with Adiantum aleuticum (Adiantum ×tracyi W.H. Wagner).
eFlora Treatment Author: Ruth E.B. Kirkpatrick, Alan R. Smith & Thomas Lemieux
Jepson Online Interchange
Previous taxon: Adiantum capillus-veneris
Next taxon: Argyrochosma
Citation for this treatment: Ruth E.B. Kirkpatrick, Alan R. Smith & Thomas Lemieux 2016. Adiantum jordanii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11955, accessed on July 29, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 29, 2016.