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|Family: Rhamnaceae||View Description||Dichotomous Key|
|Genus: Rhamnus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Rhamnus alnifolia L'Hér.
Habit: Shrub, < 2 m. Stem: bark gray; branches puberulent to glabrous; twigs brown; winter bud scales +- 5 mm. Leaf: deciduous; petiole 4--15 mm; blade 45--110 mm, elliptic to ovate, thin enough to transmit light, glabrous to puberulent, base acute to obtuse, tip acute, margin irregularly toothed, veins prominent, arched. Inflorescence: 1--3-flowered; pedicels 2--10 mm. Flower: unisexual; hypanthium +- 1 mm wide; sepals 5; petals 0, 4, 5. Fruit: 3-stoned, +- 8 mm, black.
Ecology: Wet meadow edges, seeps, stream sides; Elevation: 1450--2020 m. Bioregional Distribution: n SNH; Distribution Outside California: to Canada, northern Rocky Mountains, northern United States. Flowering Time: May--Jul
Synonyms: Apetlorhamnus alnifolia (L'Hér.) Nieuwl.
eFlora Treatment Author: John O. Sawyer, Jr.
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Rhamnus alaternus
Next taxon: Rhamnus crocea
Citation for this treatment: John O. Sawyer, Jr. 2017. Rhamnus alnifolia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=41067, accessed on January 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 20, 2017.