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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: Rhamnaceae||View Description||Dichotomous Key|
|Genus: Frangula||View Description||Dichotomous Key|
|Species: Frangula purshiana||View Description||Dichotomous Key|
Frangula purshiana subsp. annonifolia (Greene) Sawyer & S.W. Edwards
Habit: Shrub, < 5 m. Stem: twigs red to brown. Leaf: petiole 5--25 mm; blade thin, green, glabrous to sparsely hairy, base tapered, tip obtuse to truncate, margin irregularly toothed to entire.
Ecology: Conifer forest edges, streamsides, non-serpentine; Elevation: < 2000 m. Bioregional Distribution: KR, CaR, n&c SN; Distribution Outside California: southern Oregon. Flowering Time: Mar--Jun
Synonyms: Rhamnus annonifolia Greene; Rhamnus purshiana DC. var. annonifolia (Greene) Jeps.
Unabridged Note: Greene used Anona P. Miller as the basis of the epithet of his new sp. That name has since been replaced by Annona L.. A second orthographic correction, based on the Article 60 of the International Code of Botanical Nomenclature (Greuter et al. Regnum Vegetabile 138. 2000), recommends replacing "ae" with "i" as compounding forms, resulting in the spelling "annonifolia" (Sawyer & Edwards Madroño 54:172--174. 2007).
eFlora Treatment Author: John O. Sawyer, Jr.
Jepson Online Interchange
Previous taxon: Frangula purshiana
Next taxon: Frangula purshiana subsp. purshiana
Citation for this treatment: John O. Sawyer, Jr. 2017. Frangula purshiana subsp. annonifolia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=85264, accessed on January 18, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 18, 2017.