CNPS

CNPS Rare Plant Inventory

Species Details

Eriogonum butterworthianum

Butterworth's buckwheat

  Download Report   Calflora     eFlora     CCH     CalPhotos
No Photo Available

Classification

Scientific Name:
Eriogonum butterworthianum J.T. Howell
Common Name:
Butterworth's buckwheat
Family: Polygonaceae
Element Code: PDPGN080X0
USDA Plants Symbol: ERBU2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.3
Fed List: None
State List: CR (1979-11-01)
Global Rank: G2
State Rank:
 S2
Other Status: USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-12-09

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jun-Jul
Elevation:
585 - 740 meters
1920 - 2430 feet
General Habitat:
  • Chaparral (sandstone)
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Sandy

Notes

Notes:
Known from only four occurrences near Arroyo Seco in the Santa Lucia Mtns. See Leaflets of Western Botany 9(9-10):153-154 (1961) for original description, and Phytologia 66(4):328 (1989) for taxonomic treatment. Potentially threatened by foot traffic.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
2 0 0 0 0 2
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 2
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Monterey (MNT)
Quads: Name (Quad Code)
Cone Peak (3612114), Junipero Serra Peak (3612124), Reliz Canyon (3612123)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Regional Map

Map

Presumed Extant
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 11 August 2022].