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University of California, Berkeley | |||||
Jepson Herbarium | |||||
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Jepson eFlora: Taxon page
Key to families | Table of families and genera |
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Index to accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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Family: Rhamnaceae | View Description | Dichotomous Key |
Genus: Ceanothus | View Description | Dichotomous Key |
Species: | View Description | Dichotomous Key |
Higher Taxonomy
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Ceanothus purpureus Jeps. NATIVE Habit: Plant generally erect, open, < 1.5 m. Stem: ascending to erect, occasionally spreading, intricately branched; twigs red-brown. Leaf: opposite, evergreen, generally reflexed; stipules knob-like; petiole 1--2 mm; blade 12--25 mm, 7--20 mm wide, wide-obovate to -elliptic, adaxially green, glabrous, abaxially +- minutely short-strigose, hairy on veins, tip acute to sharp-toothed, margin wavy, teeth 7--15, spine-like. Inflorescence: umbel-like, 1--2 cm. Flower: dark blue to purple. Fruit: 4--5 mm wide, smooth; horns 1--2 mm, slender. Chromosomes: 2n=24. Ecology: Volcanic substrates, slopes, chaparral; Elevation: 145--670 m. Bioregional Distribution: s NCoRO/NCoRI, s NCoRI, n SnFrB. Flowering Time: Feb--Apr eFlora Treatment Author: Dieter H. Wilken & Dylan O. Burge Reference: Fross & Wilken 2006 Ceanothus. Timber Press; Burge et al. 2015 Syst Bot 40:950--961. Jepson Online Interchange Listed on CNPS Rare Plant Inventory Previous taxon: Ceanothus pumilus Next taxon: Ceanothus rigidus | ![]() |
Citation for this treatment: Dieter H. Wilken & Dylan O. Burge 2016, Ceanothus purpureus, in Jepson Flora Project (eds.) Jepson eFlora, Revision 4, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=18492, accessed on April 23, 2018. Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 23, 2018. More photos of Ceanothus purpureus in CalPhotos
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