Taxon Report

Lupinus constancei T.W. Nelson & J.P. Nelson

Lassics lupine

Print Report


Image by Amelia Ryan

  Classification

Scientific Name:
Lupinus constancei T.W. Nelson & J.P. Nelson
Common Name:
Lassics lupine
Family: Fabaceae
Element Code: PDFAB2B490
USDA Plants Symbol: LUCO7
Synonyms/Other Names:
  • Lupinus humboldtii

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jul Jul
Elevation: 1500-2000 (4920-6560)
General Habitats: Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 1B.1
Global Rank: G1
State Rank:
S1
State List: CE
Fed List: FE
Other Status: SB_BerrySB; USFS_S
CRPR Changes:
  • changed from 1B.2 to 1B.1 on 2017-09-27

Occurrence Data from the CNDDB

Total Occurrences: 2
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 2
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  True
California Counties and Islands: Name (Code)
Humboldt (HUM), Trinity (TRI)
Quads: Name (Quad Code)
Black Lassic (4012335)

Threat List Data from the CNDDB

Threat List Total: 3
EOs with Threat Listed: Total EOs % of EOs
2 100 %
Improper burning regime 2 100%
Other 2 100%
ORV activity 1 50%

Notes

Threats:
Severely threatened by seed predation and browsing, forest encroachment, and climate change.
Taxonomy:

Selected References

Brittonia 35(2):180-183 (1983)
Lupinus constancei profile for potential Species of Conservation Concern evaluation (2018)
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 6 January 2025].