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Plant Profile

San Mateo Woolly-sunflower (Eriophyllum latilobum)

Global Rank: G1 - Critically Imperiled
Legal Status: Federally Endangered
Family: Asteraceae
State: CA
Nature Serve ID: 138202
Lifeform: Forb/herb, Subshrub
Date Inducted in National Collection: 03/06/1993

Description:

bushy perennial

Where is San Mateo Woolly-sunflower (Eriophyllum latilobum) located in the wild?

Habitat:

shaded moist sites on steep grassy or sparsely wooded slopes

Distribution:

States & Provinces:

San Mateo Woolly-sunflower can be found in California

Which CPC Partners conserve San Mateo Woolly-sunflower (Eriophyllum latilobum)?

University of California Botanical Garden

Not Sponsored

Assigned 06/09/17

California Botanic Garden

Not Sponsored

Conservation Actions

Assigned 06/09/17

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

09/01/2020

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 1 accessions of Eriophyllum latilobum in orthodox seed collection. There are as many as 7688 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

Nature Serve Biotics

05/02/2017

Currently known from a single site (or possibly two now) in San Mateo County, California, where less than 300 plants are scattered along a 4 km stretch of road on a steep, unstable slope. The plants are vulnerable to soil slumping and to subsequent removal of the slumped material and reshaping of the road cut by road maintenance crews. Although maintenance crews have been made aware of the plants, accidental herbicide applications or other activities could severely damage the population. Damage did occur in 2001 due to mowing. Recreational development (a paved trail adjacent to the road) represents another potential threat. The plants apparently have low germination and seedling survival rates.

01/01/2010

erosion and soil slippage, road maintenance

01/01/2010

one occurrence consisting of a few hundred plants in San Mateo Co.