Taxon Report

Erysimum concinnum Eastw.

bluff wallflower

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©2020 John Doyen

Taxon Summary

Erysimum concinnum, commonly known as bluff wallflower, is a annual/perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Coastal bluff scrub, Coastal dunes, and Coastal prairie, growing at elevations from 0 to 185 meters. Erysimum concinnum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Erysimum concinnum Eastw.
Common Name:
bluff wallflower
Family: Brassicaceae
Element Code: PDBRA160E3
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual/perennial herb
Blooming Period: Feb-Jul Feb-Jul
Elevation: 0-185 (0-605)
General Habitats: Coastal bluff scrub, Coastal dunes, Coastal prairie
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 30
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 1
   Fair (C) 0
   Poor (D) 1
   None (X) 0
   Unknown (U) 28
California Endemic:  False
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Marin (MRN), Mendocino (MEN), Sonoma (SON)
Quads: Name (Quad Code)
Arched Rock (3812342), Bodega Head (3812331), Crescent City (4112472), Drakes Bay (3812218), Duncans Mills (3812341), Elk (3912326), Fort Bragg (3912347), Gualala (3812375), Inverness (3812217), Mendocino (3912337), Petrolia (4012433), Plantation (3812353), Sister Rocks (4112462), Smith River (4112482), Tomales (3812228), Westport (3912367)

Threat List Data from the CNDDB

Threat List Total: 2
EOs with Threat Listed: Total EOs % of EOs
6 20 %
Non-native plant impacts 4 13%
Development 2 6%

Notes

Largest occurrence known from Pt. Reyes NS; possibly of hybrid origin. Some occurrences from DNT and MEN cos. are also of possible hybrid origin; further study is ongoing. Threatened by development, habitat loss, competition, and non-native plants. See E. menziesii ssp. concinnum in TJM (1993). See Zoe 5(6-8):103 (1901) for original description.
Threats:
Taxonomy:

Selected References

CRPR List Addition on 2012-12-03
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].