Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Localities documented in Tropicos sources

Ceanothus cyaneus Eastw.:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Global Range: Reported from Riverside and San Diego Counties, California and Baja California, Mexico.

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Ecology

Habitat

Comments: Closed cone coniferous forest, chaparral.

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Population Biology

Number of Occurrences

Note: For many non-migratory species, occurrences are roughly equivalent to populations.

Estimated Number of Occurrences: 6 - 20

Comments: Approximately 6-20 element occurrences.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Ceanothus cyaneus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Ceanothus cyaneus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N2 - Imperiled

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NatureServe Conservation Status

Rounded Global Status Rank: G2 - Imperiled

Reasons: Ceanothus cyaneus is known from approximately 6-20 extant occurrences in two counties in California and in Baja California, Mexico. It is unknown if any are protected. Development is a threat to this taxon.

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Threats

Comments: Development is the major threat (CNDDB 2003, CNPS 2001).

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Wikipedia

Ceanothus cyaneus

Ceanothus cyaneus is a species of flowering shrub known by the common names San Diego buckbrush and Lakeside ceanothus. This Ceanothus is found in the mountains of San Diego County, California, and its range probably extends just into Baja California.

Description

Ceanothus cyaneus

This is a tall, erect shrub which may approach 5 meters in height. Its spreading branches are gray-green, with the younger twigs a light greenish-brown. The evergreen leaves may be serrated and toothed with glandular knobs, or they may be smooth along the edges. The underside is a lighter green than the upper surface.

The inflorescence may exceed 15 centimeters in length, bearing many bunches of flowers along the length of a greenish stalk. The long flowers are bright blue with protruding yellow anthers. The capsule fruits are about 4 millimeters long.

See also

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