Taxon Report

Mucronea californica Benth.

California spineflower

Print Report


© 2018 Debra L. Cook

  Classification
Scientific Name:
 Mucronea californica Benth.
Common Name:
 California spineflower
Family: Polygonaceae
Element Code: PDPGN0F010
USDA Plants Symbol: MUCA3
Synonyms/Other Names:
  • Chorizanthe californica (Benth.) Gray var. suksdorfii Macbr.

Ecology and Life History
Lifeform: annual herb
Blooming Period: Mar-Jul(Aug) Mar-Jul(Aug)
Elevation: 0-1400 (0-4595)
General Habitats: Chaparral, Cismontane woodland, Coastal dunes, Coastal scrub, Valley and foothill grassland
Microhabitat: Sandy
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 4.2
Global Rank: G3
State Rank:
 S3
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Los Angeles (LAX), San Diego (SDG), San Luis Obispo (SLO), Santa Barbara (SBA)
Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Caliente Mtn. (3511917), Camatta Ranch (3512043), Lompoc (3412064), Los Alamos (3412063), Morro Bay South (3512037), Oceano (3512015), Orcutt (3412074), Otay Mesa (3211658), Pismo Beach (3512026), Point Conception (3412044), Point Loma (3211762), Sisquoc (3412073), Sunland (3411833), Surf (3412065), Venice (3311884), Zaca Creek (3412062)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 0 %

Notes
Rare in southern California. Many herbarium records old. Threatened by aggregate mining, vehicles, flood control modification, urbanization, and water percolation projects. Possibly threatened by non-native plants. Includes Chorizanthe californica var. suskdorfii. See Phytologia 66(3):203-205 (1989) for revised nomenclature.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 December 2024].