The variety of this species known as jimbrush (var. sorediatus) is sometimes treated as a separate species.
Habitat and range
This is a large, erect shrub approaching 3 meters in maximum height.
Leaves and stems=
The evergreen leaves are alternately arranged and may be up to 4 centimeters long. They are dark green on top, paler and hairy on the underside, and are edged with glandular teeth. Leaves have 3 main veins rising from the base. Leaves have a toothed edge. The leaf is covered with short, soft hairs on the top.
Branchlets are flexible, not stiff.
Inflorescense and fruit
The inflorescence is a cluster or series of clusters of blue or purple flowers.
The fruit is a capsule which may be hairy or not, depending on variety.
The fruit is not horned.
It blooms April to May.
- Flowering Plants of the Santa Monica Mountains, Nancy Dale, 2nd Ed., 2000, p. 167
- USDA Plants Profile: var. sorediatus
- Jepson Manual Treatment — Ceanothus oliganthus
- USDA Plants Profile: Ceanothus oliganthus
- Ceanothus oliganthus — U.C. Photo gallery
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