| 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 | |
Ceanothus oliganthus is a species of shrub in the family Rhamnaceae known by the common name hairy ceanothus [2] or hairy-leaf ceanothus. [3]
The variety of this species known as jimbrush (var. sorediatus) is sometimes treated as a separate species. [4]
Habitat and range
It 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
This is a large, erect shrub approaching 3 meters in maximum height.[ citation needed]
Leaves and stems
The 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
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. [3]
It blooms April to May. [3]
References
- ^ "NatureServe Explorer". NatureServe Explorer. NatureServe. 2022. Retrieved 28 May 2022.
- ^ USDA, NRCS (n.d.). "Ceanothus oliganthus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. 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
- Jepson Manual eFlora (TJM2) treatment of Ceanothus oliganthus
- Ceanothus oliganthus — U.C. Photo gallery
 | This Rhamnaceae article is a stub. You can help Wikipedia by expanding it. |
- NatureServe vulnerable species
- Ceanothus
- Natural history of the California chaparral and woodlands
- Natural history of the California Coast Ranges
- Natural history of the Peninsular Ranges
- Natural history of the San Francisco Bay Area
- Natural history of the Santa Monica Mountains
- Natural history of the Transverse Ranges
- Flora of Baja California
- Plants described in 1838
- Taxa named by Thomas Nuttall
- Flora of Baja California Sur
- Rhamnaceae stubs