Overview

Distribution

Global Range: California endemic: Lake, Mendocino, Napa, and Sonoma Counties.

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Ecology

Habitat

Comments: Closed-cone coniferous forest, chaparral, cismontane woodland; volcanic or serpentinite.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Ceanothus confusus

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 confusus

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: Endemic to California, Ceanothus confusus (C. prostratus ssp. confusus) occurs in four counties and is threatened by development.

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Threats

Comments: Development is the most substantial threat (CNPS 2001, CNDDB 2003). In addition, roads, dirtbike use, vineyard conversion, logging and grazing are also threats (CNDDB 2003).

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Wikipedia

Ceanothus confusus

Ceanothus confusus is a species of shrub in the buckthorn family Rhamnaceae known by the common name Rincon Ridge ceanothus. It is endemic to northern California where it grows in the coastal mountains north of the San Francisco Bay Area. Its habitats include coniferous forest, woodland, and chaparral.[1] This is a low, spreading shrub often forming a short mat up to about 1.2 meters wide. The stem is gray-brown with new twigs having a reddish color and fuzzy texture. The evergreen leaves are oppositely arranged. Each is up to 2 centimeters long and oval in shape with 3 to 5 large teeth. The upper surface is shiny green and the underside is paler and feltlike in texture with hairs along the veins. The inflorescence is a small cluster of blue or purple flowers. The fruit is a horned capsule about half a centimeter wide.

References [edit]

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Names and Taxonomy

Taxonomy

Comments: Kartesz (1994) treats it as Ceanothus prostratus ssp. confusus and Kartesz (1999) treats it as a distinct species.

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