Ceanothus oliganthus var. orcuttii

(Parry) Trelease ex Jepson

Man. Fl. Pl. Calif., 621. 1925.

Common names: Orcutt’s ceanothus
Basionym: Ceanothus orcuttii Parry Proc. Davenport Acad. Nat. Sci. 5: 194. 1889
Treatment appears in FNA Volume 12. Treatment on page 89. Mentioned on page 88.

Stems: branchlets ± flexible, puberulent to villosulous. Leaf blades ovate, elliptic, or elliptic-oblong, adaxial surface sparsely villosulous. Flowers: sepals, petals, and nectary blue; nectary and ovary pilosulous. Capsules glabrescent; valves rugose, weakly crested.

Phenology: Flowering Feb–Jun.
Habitat: Open slopes and ridges, chaparral, pine forests.
Elevation: 200–1800 m.


V12 401-distribution-map.jpg

Calif., Mexico (Baja California).


Variety orcuttii occurs in the Peninsular Ranges of southern California and northern Baja California, Mexico. The pilosulous nectary and ovary are unique in Ceanothus.

Selected References


Lower Taxa

Clifford L. Schmidt† +  and Dieter H. Wilken +
(Parry) Trelease ex Jepson +
Ceanothus orcuttii +
Orcutt’s ceanothus +
Calif. +  and Mexico (Baja California). +
200–1800 m. +
Open slopes and ridges, chaparral, pine forests. +
Flowering Feb–Jun. +
Man. Fl. Pl. Calif., +
Ceanothus oliganthus var. orcuttii +
Ceanothus oliganthus +
variety +