Taxon Report

Hoffmannseggia peninsularis (Britton) Wiggins

Baja peninsula rushpea

Print Report


© 2019 Joey Malone

  Classification
Scientific Name:
 Hoffmannseggia peninsularis (Britton) Wiggins
Common Name:
 Baja peninsula rushpea
Family: Fabaceae
Element Code: PDFAB20060
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History
Lifeform: perennial shrub
Blooming Period: Jan-Mar Jan-Mar
Elevation: 255-275 (835-900)
General Habitats: Sonoran desert scrub
Microhabitat: Gravelly, Metamorphic (sometimes), Rocky, Volcanic (sometimes)
Microhabitat Details: In sparse vegetation on igneous/metamorphic bedrock slopes.

Conservation Status
CA Rare Plant Rank: 1B.1
Global Rank: G2
State Rank:
 S1
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • added to 1B.1 on 2023-01-20

Occurrence Data from the CNDDB
Total Occurrences: 2
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 2

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Imperial (IMP)
Quads: Name (Quad Code)
Tortuga (3311523)

Threat List Data from the CNDDB

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

 

Notes
Documented in California in the Chocolate Mtns. of IMP Co. in 2016 by A. Sanders. Not yet included in the Jepson eFlora.
Threats:
Potentially threatened by military activities,  invasive plants, and small population size.
Taxonomy:
Similar to H. intricata and H. microphylla; differs in being nearly prostrate and having zig-zag branching, sticky, glandular trichomes on its young growth, and flowers 3–4 mm long (H. intricata is also not known from California). 

Selected References

Proposed Addition to CRPR 1B.1 (2023)
North American Flora, Volume 23 (5): 311 (1930)
Lundellia 2: 14–54 (1999)
Lundellia 9: 7–33 (2006)
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].