Taxon Report

Chorizanthe orcuttiana Parry

Orcutt's spineflower

Print Report



  Classification

Scientific Name:
Chorizanthe orcuttiana Parry
Common Name:
Orcutt's spineflower
Family: Polygonaceae
Element Code: PDPGN040G0
USDA Plants Symbol: CHOR
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual herb
Blooming Period: Mar-May Mar-May
Elevation: 3-125 (10-410)
General Habitats: Chaparral, Closed-cone coniferous forest, Coastal scrub
Microhabitat: Openings, Sandy
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 18
Element Occurrence Ranks:
   Excellent (A) 2
   Good (B) 4
   Fair (C) 0
   Poor (D) 1
   None (X) 5
   Unknown (U) 6
California Endemic:  True
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Del Mar (3211782), Encinitas (3311713), La Jolla (3211772)*, Point Loma (3211762), Rancho Santa Fe (3311712)*

Threat List Data from the CNDDB

Threat List Total: 7
EOs with Threat Listed: Total EOs % of EOs
12 67 %
Non-native plant impacts 8 44%
Foot traffic/trampling 6 33%
Road/trail construction/maint. 4 22%
Development 3 16%
Erosion/runoff 2 11%
Improper burning regime 1 5%
Recreational use (non-ORV) 1 5%

Notes

Most historical habitat urbanized. Threatened by foot traffic and non-native plants. See Phytologia 66(2):183 (1989) for taxonomic treatment.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].