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A new species of Ceanothus from northern Baja California

Madroño

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Abstract

Ceanothus bolensis S. Boyd & J. Keeley is a new species in the subgenus Cerastes from northwestern Baja California, Mexico. It is well represented at elevations above 1000 m on Cerro Bola, a basaltic peak approximately 35 km south of the U.S./Mexican border. It is characterized by small, obovate to oblanceolate, cupped, essentially glabrous leaves with sparsely toothed margins, pale blue flowers, and globose fruits lacking horns. Principal components analysis on morphological traits shows it to be distinct from other members of Cerastes which are distributed away from the coast in southern California and Baja California, Mexico. These phenetic comparisons also suggest that Ceanothus otayensis should not be subsumed under C. crassifolius, as treated in the Jepson Manual, but rather should be retained at specific rank as well.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
A new species of Ceanothus from northern Baja California
Series title:
Madroño
Volume
49
Issue:
4
Year Published:
2002
Language:
English
Publisher:
California Botanical Society
Publisher location:
Berkeley, CA
Contributing office(s):
Western Ecological Research Center
Description:
6 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Madroño
First page:
289
Last page:
294
Number of Pages:
6
Country:
Mexico
Other Geospatial:
Cerro Bola;Baja California