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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: Rosaceae||View Description||Dichotomous Key|
|Genus: Aphanes||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Aphanes occidentalis (Nutt.) Rydb.
Stem: generally 2--10 cm. Leaf: generally 3--12 mm; stipules widely ovate, deeply lobed; petiole generally 1--5 mm; blade generally 2--5 mm, +- round, main lobes 3, > 2/3 to base, again toothed or lobed. Flower: 0.5--2 mm; hypanthium bractlets 0 or < 0.5 mm; sepals 0.2--0.6 mm. Fruit: achene +- 1 mm, ovoid.
Ecology: Seasonally moist grassland, chaparral, woodland; Elevation: 30--1200 m. Bioregional Distribution: NW, CaRF, SNF, ScV, CW, SW; Distribution Outside California: to Washington, Baja California. Flowering Time: Mar--May Note: Highly variable; several +- separable forms.
Synonyms: Alchemilla occidentalis Nutt.
Unabridged Note: Highly variable, with several +- separable forms. Relation to species of Mediterranean unclear. northern NCo plants with more hidden flowers resemble Aphanes microcarpa (Boiss. & Reut.) Rothm. of eastern North America, Europe. Aphanes arvensis L. (larger plants) weedy in Oregon, Washington.
eFlora Treatment Author: Barbara Ertter
Jepson Online Interchange
Previous taxon: Aphanes
Next taxon: Aruncus
Citation for this treatment: Barbara Ertter 2017. Aphanes occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=13608, accessed on February 21, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 21, 2017.