Taxon Report

Castilleja mollis Penn.

soft-leaved paintbrush

Print Report



  Classification

Scientific Name:
Castilleja mollis Penn.
Common Name:
soft-leaved paintbrush
Family: Orobanchaceae
Element Code: PDSCR0D230
USDA Plants Symbol: CAMO8
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb (hemiparasitic)
Blooming Period: Apr-Aug Apr-Aug
Elevation: 5-20 (15-65)
General Habitats: Coastal bluff scrub, Coastal dunes
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 7
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 7
California Endemic:  True
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
San Miguel Island West (3312084)?*, Santa Rosa Island East (3311988), Santa Rosa Island North (3312081), Santa Rosa Island West (3312082)

Notes

Known from Carrington Pt. Peninsula and west of Jaw Gulch (both SRO Isl.); also one unconfirmed location at Pt. Bennett (SMI Isl.), where not seen since 1938, despite recent surveys. Mainland plants previously included in C. mollis are C. affinis ssp. affinis. Threatened by cattle grazing and trampling, feral herbivores, and non-native plants. Likely parasitic on Isocoma menziesii var. sedoides. See Proceedings of the Academy of Natural Sciences of Philadelphia Vol. XCIX: 185-186 (1947) for original description and MadroƱo 38(2):141-142 (1991) for taxonomic reassessment.
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].