Ceanothus oliganthus is a species of shrub in the family Rhamnaceae known by the common name hairy ceanothus[2] or hairy-leaf ceanothus.[3]
| Ceanothus oliganthus | |
|---|---|
| |
| Ceanothus oliganthus var. sorediatus | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rhamnaceae |
| Genus: | Ceanothus |
| Species: | C. oliganthus
|
| Binomial name | |
| Ceanothus oliganthus | |
| Synonyms | |
|
Ceanothus divaricatus | |
The variety of this species known as jimbrush (var. sorediatus) is sometimes treated as a separate species.[4]
Habitat and range
editIt occurs in California[5] and Baja California,[6] where it occurs through all of the coastal mountain ranges in dry habitat such as chaparral.
Description
editThis is a large, erect shrub approaching 3 meters in maximum height.[citation needed]
Leaves and stems
editThe stipules (small leaf-like structures on the stems at the base of the leaf stem, are thin and fall off early.[3]
The evergreen leaves are alternately arranged and may be up to 4 centimeters long.[citation needed] They are dark green on top, paler and hairy on the underside,[citation needed] and are edged with glandular teeth.[citation needed] Leaves have 3 main veins rising from the base.[3] Leaves have a toothed edge.[3] The leaf is covered with short, soft hairs on the top.
Branchlets are flexible, not stiff.[3]
Inflorescence and fruit
editThe 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.[3]
It blooms April to May.[3]
References
edit- ^ "NatureServe Explorer". NatureServe Explorer. NatureServe. 2022. Retrieved 28 May 2022.
- ^ NRCS. "Ceanothus oliganthus". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 6 June 2016.
- ^ a b c d e f g Flowering Plants of the Santa Monica Mountains, Nancy Dale, 2nd Ed., 2000, p. 167
- ^ USDA Plants Profile: var. sorediatus
- ^ Ceanothus oliganthus at CalFlora
- ^ Jepson Herbarium
External links
edit- Jepson Manual eFlora (TJM2) treatment of Ceanothus oliganthus
- Ceanothus oliganthus — U.C. Photo gallery
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