Taxon Report

Castilleja lasiorhyncha (Gray) Chuang & Heckard

San Bernardino Mountains owl's-clover

Print Report



  Classification

Scientific Name:
Castilleja lasiorhyncha (Gray) Chuang & Heckard
Common Name:
San Bernardino Mountains owl's-clover
Family: Orobanchaceae
Element Code: PDSCR0D410
USDA Plants Symbol: CALA69
Synonyms/Other Names:
  • Orthocarpus lasiorhynchus Gray

Ecology and Life History

Lifeform: annual herb (hemiparasitic)
Blooming Period: May-Aug May-Aug
Elevation: 1300-2390 (4265-7840)
General Habitats: Chaparral, Meadows and seeps, Pebble (Pavement) plain, Riparian woodland, Upper montane coniferous forest
Microhabitat: Mesic
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 46
Element Occurrence Ranks:
   Excellent (A) 2
   Good (B) 9
   Fair (C) 7
   Poor (D) 4
   None (X) 1
   Unknown (U) 23
California Endemic:  True
California Counties and Islands: Name (Code)
Riverside (RIV)*, San Bernardino (SBD)
Quads: Name (Quad Code)
Big Bear City (3411637), Big Bear Lake (3411628), Butler Peak (3411731), Fawnskin (3411638), Forest Falls (3411618), Harrison Mtn. (3411722), Idyllwild (3311666)*, Keller Peak (3411721), Lake Arrowhead (3411732), Moonridge (3411627), San Bernardino North (3411723), San Jacinto Peak (3311676)*, Silverwood Lake (3411733)

Threat List Data from the CNDDB

Threat List Total: 12
EOs with Threat Listed: Total EOs % of EOs
27 59 %
ORV activity 12 26%
Development 11 23%
Recreational use (non-ORV) 10 21%
Foot traffic/trampling 9 19%
Non-native plant impacts 7 15%
Altered flood/tidal/hydrologic regime 3 6%
Erosion/runoff 2 4%
Grazing 2 4%
Road/trail construction/maint. 2 4%
Vandalism/dumping/litter 1 2%
Logging 1 2%
Mining 1 2%

Notes

Threatened by development, mining, non-native plants, water diversions, grazing, fire suppression, vehicles, and recreational activities. See Proceedings of the American Academy of Arts and Sciences 12:82 (1876) for original description, and Systematic Botany 16(4):644-666 (1991) for revised nomenclature.
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 8 January 2025].