A Newly Described Serpentine-Endemic Ceanothus (Rhamnaceae) From Coastal Marin County, California

V. Thomas Parker

doi:10.3120/0024-9637-61.4.399

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V. Thomas Parker

Abstract

Ceanothus decornutus V. T. Parker is a newly described species found on serpentine outcrops in western Marin County. This taxon has been considered as part of C. jepsonii Greene in recent treatments. Ceanothus decornutus differs in a number of ways from C. jepsonii and suggests relationships to other northern San Francisco Bay species. Beyond the species description and a key to similar taxa north of San Francisco Bay, an analysis of leaf characters is used to indicate possible relationships.

California Botanical Society

Citation Download Citation

V. Thomas Parker "A Newly Described Serpentine-Endemic Ceanothus (Rhamnaceae) From Coastal Marin County, California," Madroño 61(4), 399-406, (1 October 2014). https://doi.org/10.3120/0024-9637-61.4.399

Published: 1 October 2014

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