Species Details

Heuchera rubescens var. versicolor

San Diego County alumroot

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Photo of Heuchera rubescens var. versicolor
© 2013 Richard Spellenberg
Photo of Heuchera rubescens var. versicolor
© 2013 Richard Spellenberg
Scientific Name:
Heuchera rubescens Torr. var. versicolor (Greene) M.G. Stewart
Common Name:
San Diego County alumroot
Family: Saxifragaceae
Element Code: PDSAX0E106
USDA Plants Symbol: HERUV
Synonyms/Other Names:
CA Rare Plant Rank: 3.3
Fed List: None
State List: None
Global Rank: G5T4
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.3 to 3.3 on 2013-03-15
Add Date: 1974-01-01
Date Edited: 2022-01-05
Lifeform: perennial rhizomatous herb
Blooming Period: May-Jun
Elevation:
1500 - 4000 meters
4920 - 13125 feet
General Habitat:
  • Chaparral
  • Lower montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Rocky
Notes:
Previously on List 2.3. Difficult to differentiate from typical H. rubescens based on habitat, elevation, and geography; needs further study. A synonym of H. rubescens in TJM 2. See Leaflets of Botanical Observation and Criticism 1:112 (1905) for original description, and Bulletin of the Southern California Academy of Sciences 33(1):47 (1934) for taxonomic treatment.
Threats:
Taxonomy:
Other:
Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 6
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 0
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Colorado (CO), New Mexico (NM), Texas (TX), Utah (UT)
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Cuyamaca Peak (3211685), Hot Springs Mtn. (3311635), Palomar Observatory (3311637)
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.

Map

Presumed Extant
Counties   Quads