Ceanothus oliganthus

Ceanothus oliganthus
	var. sorediatus
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Rosales
Family:	Rhamnaceae
Genus:	Ceanothus
Species:	C. oliganthus
Binomial name
	Ceanothus oliganthus; Nutt.
Synonyms
	Ceanothus divaricatus; Ceanothus hirsutus; Ceanothus orcuttii

Ceanothus oliganthus is a species of shrub in the buckthorn family Rhamnaceae known by the common name hairy ceanothus,^[1] or hairy-leaf ceanothus.^[2]

The variety of this species known as jimbrush (var. sorediatus) is sometimes treated as a separate species.^[3]

Habitat and range

It is endemic to California, where it can be found in most^{[citation needed]} of the coastal mountain ranges in dry habitat such as chaparral.

It is found in the Santa Monica Mountains of California.^[2]

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.^[2]

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.^[2] Leaves have a toothed edge.^[2] The leaf is covered with short, soft hairs on the top.

Branchlets are flexible, not stiff.^[2]

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.^[2]

It blooms April to May.^[2]

References

^ 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 ^h Flowering Plants of the Santa Monica Mountains, Nancy Dale, 2nd Ed., 2000, p. 167
^ USDA Plants Profile: var. sorediatus

External links

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[1] USDA, NRCS (n.d.). "Ceanothus oliganthus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 June 2016.

[FPSMM-2] ^ ^a ^b ^c ^d ^e ^f ^g ^h Flowering Plants of the Santa Monica Mountains, Nancy Dale, 2nd Ed., 2000, p. 167

[3] USDA Plants Profile: var. sorediatus

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