Taxon Report

Erythranthe glaucescens (Greene) G.L. Nesom

shield-bracted monkeyflower

Print Report


Neal Kramer 2020

Taxon Summary

Erythranthe glaucescens, commonly known as shield-bracted monkeyflower, is a annual herb in the Phrymaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Lower montane coniferous forest, and Valley and foothill grassland, growing at elevations from 60 to 1240 meters. Erythranthe glaucescens is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.


  Classification

Scientific Name:
Erythranthe glaucescens (Greene) G.L. Nesom
Common Name:
shield-bracted monkeyflower
Family: Phrymaceae
Element Code: PDSCR1B1B0
USDA Plants Symbol:
Synonyms/Other Names:
  • Mimulus glaucescens

Ecology and Life History

Lifeform: annual herb
Blooming Period: Feb-Aug(Sep) Feb-Aug(Sep)
Elevation: 60-1240 (195-4070)
General Habitats: Chaparral, Cismontane woodland, Lower montane coniferous forest, Valley and foothill grassland
Microhabitat: Seeps, Serpentine, Streambanks (sometimes)
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  True
California Counties and Islands: Name (Code)
Butte (BUT), Shasta (SHA), Tehama (TEH)
Quads: Name (Quad Code)
Acorn Hollow (4012118), Balls Ferry (4012242), Barkley Mtn. (4012126), Bend (4012232), Berry Creek (3912164), Butte Meadows (4012115), Campbell Mound (3912187), Cherokee (3912165), Chico (3912167), Cohasset (3912186), Cottonwood (4012243), Dales (4012231), Devils Parade Ground (4012116), Dewitt Peak (4012128), Finley Butte (4012137), Gerber (4012212), Hamlin Canyon (3912166), Honcut (3912135), Humboldt Peak (4012124), Jonesville (4012114), Loma Rica (3912134), Los Molinos (4012211), Manton (4012147), Nord (3912178), Onion Butte (4012125), Ord Ferry (3912168), Oroville (3912155), Oroville Dam (3912154), Panther Spring (4012127), Paradise East (3912175), Paradise West (3912176), Pulga (3912174), Red Bluff East (4012222), Richardson Springs (3912177), Richardson Springs NW (3912188), Stirling City (3912185), Tuscan Springs (4012221)

Notes

Threatened by vehicles and non-native plants. See Bulletin of the California Academy of Sciences 1:113 (1885) for original description, Annals of the Missouri Botanical Garden 11(2-3):175-176 (1924) for taxonomic treatment, and Phytoneuron 2012-39:1-60 (2012) for revised nomenclature.
Threats:
Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].