Taxon Report

Brodiaea orcuttii (Greene) Baker

Orcutt's brodiaea

Print Report


© 2001 Ellen Friedman & Ted Dunning

Species Description:
Brodiaea orcuttii, commonly known as Orcutt's brodiaea, is a perennial bulbiferous herb in the Themidaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Closed-cone coniferous forest, Meadows and seeps, Valley and foothill grassland, and Vernal pools, growing at elevations from 30 to 1692 meters. Brodiaea orcuttii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

  Classification

Scientific Name:
Brodiaea orcuttii (Greene) Baker
Common Name:
Orcutt's brodiaea
Family: Themidaceae
Element Code: PMLIL0C0B0
USDA Plants Symbol: BROR
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial bulbiferous herb
Blooming Period: May-Jul May-Jul
Elevation: 30-1692 (100-5550)
General Habitats: Chaparral, Cismontane woodland, Closed-cone coniferous forest, Meadows and seeps, Valley and foothill grassland, Vernal pools
Microhabitat: Clay, Mesic
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 142
Element Occurrence Ranks:
   Excellent (A) 5
   Good (B) 12
   Fair (C) 8
   Poor (D) 12
   None (X) 16
   Unknown (U) 89
California Endemic:  True
California Counties and Islands: Name (Code)
Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Boucher Hill (3311638), Cuyamaca Peak (3211685), Del Mar (3211782), Descanso (3211675), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), Encinitas (3311713), Jamul Mountains (3211668), Julian (3311615), La Jolla (3211772), La Mesa (3211771), Margarita Peak (3311744), Mesa Grande (3311627), Morena Reservoir (3211665), Morro Hill (3311733), Mount Laguna (3211674), Otay Mesa (3211658), Otay Mountain (3211657), Pala (3311731), Palomar Observatory (3311637), Pechanga (3311741), Poway (3211781), Ramona (3311617), Rancho Santa Fe (3311712), Rodriquez Mtn. (3311628), San Marcos (3311722), San Pasqual (3311618), San Vicente Reservoir (3211688), Santa Ysabel (3311616), Tecate (3211656), Temecula (3311742), Valley Center (3311721), Viejas Mountain (3211676), Warner Springs (3311636)

Threat List Data from the CNDDB

Threat List Total: 17
EOs with Threat Listed: Total EOs % of EOs
77 54 %
Development 38 26%
Non-native plant impacts 28 19%
Road/trail construction/maint. 26 18%
Foot traffic/trampling 20 14%
ORV activity 19 13%
Vandalism/dumping/litter 17 11%
Other 10 7%
Erosion/runoff 7 4%
Altered flood/tidal/hydrologic regime 7 4%
Improper burning regime 5 3%
Recreational use (non-ORV) 5 3%
Wood cutting or brush clearing 4 2%
Military operations 3 2%
Grazing 3 2%
Dam/Inundation 1 0%
Surface water diversion 1 0%
Agriculture 1 0%

Notes

Historical occurrences need field surveys. Seriously threatened by development, foot traffic, grazing, non-native plants, military activities, vehicles, road construction, road maintenance, and dumping. Hybridizes with B. filifolia. See Bulletin of the California Academy of Sciences 2:138 (1886) for original description, and University of California Publications in Botany 60:59-61 (1971) for taxonomic treatment.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 January 2025].