Taxon Report

Heuchera rubescens Torr. var. versicolor (Greene) M.G. Stewart

San Diego County alumroot

Print Report


© 2013 Richard Spellenberg

  Classification
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:
  • Heuchera leptomeria Greene var. peninsularis Rosend., Butt. & Lak.

Ecology and Life History
Lifeform: perennial rhizomatous herb
Blooming Period: May-Jun May-Jun
Elevation: 1500-4000 (4920-13125)
General Habitats: Chaparral, Lower montane coniferous forest
Microhabitat: Rocky
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 3.3
Global Rank: G5T4
State Rank:
 S2
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • changed from 2.3 to 3.3 on 2013-03-15

Occurrence Data from the CNDDB
Total Occurrences: 6
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 6

Location
California Endemic:  False
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Cuyamaca Peak (3211685), Hot Springs Mtn. (3311635), Palomar Observatory (3311637)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 %

 

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:

Selected References

CRPR List Deletion on 2013-03-15
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].