Taxon Details

Fremontodendron decumbens

Pine Hill flannelbush

  View Report   Copy Link Calflora eFlora CCH CalPhotos iNaturalist
No Photo Available

Taxon Summary:

Fremontodendron decumbens, commonly known as Pine Hill flannelbush, is a perennial evergreen shrub in the Malvaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 425 to 760 meters. Fremontodendron decumbens is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

CA Rare Plant Rank: 1B.2
Fed List: FE (1996-10-18)
State List: CR (1979-07-01)
Global Rank: G1
State Rank:
S1
Other Status: SB_CalBG/RSABG; SB_UCBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-01-05
Lifeform: perennial evergreen shrub
Blooming Period: Apr-Jul
JFMAMJJASOND
Elevation:
425 - 760 meters
1395 - 2495 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
Microhabitat Details:
Microhabitat:
  • Gabbroic (sometimes)
  • Rocky
  • Serpentine (sometimes)
Notes:
Threatened by development and alteration of fire regimes. Protected in part by Pine Hill ER (DFG). See F. californicum ssp. decumbens in The Jepson Manual (1993); USFWS uses this name also. See Brittonia 17:382 (1965) for original description, Fremontia 13(1):3-6 (1985) for species account, Systematic Botany 16(1):3-20 (1991) for revised nomenclature and taxonomic treatment, and Madroño 41(4):277-289 (1994) for pollination biology.
Threats:
Taxonomy:
Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 10 83 %
THREAT LIST:
Development 6 50%
Other 3 25%
Road/trail construction/maint. 3 25%
Non-native plant impacts 2 16%
Improper burning regime 2 16%
Total Occurrences: 12
Element Occurrence Ranks:
A B C D X U
1 1 3 1 0 6
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 5
Presence:
Presumed Extant 12
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
El Dorado (ELD), Nevada (NEV), Yuba (YUB)
Quads: Name (Quad Code)
Clarksville (3812161), French Corral (3912132), Grass Valley (3912121), Rackerby (3912143), Shingle Springs (3812068)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel
}