Taxon Report

Deinandra floribunda Davids. & Moxley

Tecate tarplant

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Taxon Summary

Deinandra floribunda, commonly known as Tecate tarplant, is a annual herb in the Asteraceae that is found in California and elsewhere. It occurs within Chaparral, and Coastal scrub, growing at elevations from 70 to 1220 meters. Deinandra floribunda is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

  Classification
Scientific Name:
 Deinandra floribunda Davids. & Moxley
Common Name:
 Tecate tarplant
Family: Asteraceae
Element Code: PDAST4R0B0
USDA Plants Symbol:
Synonyms/Other Names:
  • Hemizonia floribunda Gray

Ecology and Life History
Lifeform: annual herb
Blooming Period: Aug-Oct Aug-Oct
Elevation: 70-1220 (230-4005)
General Habitats: Chaparral, Coastal scrub
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.2
Global Rank: G2
State Rank:
 S2
State List: None
Fed List: None
Other Status: BLM_S; SB_CalBG/RSABG; SB_CRES; SB_USDA; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 59
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 3
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 55

Location
California Endemic:  False
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Barrett Lake (3211666), Dulzura (3211667), Jacumba (3211662), Live Oak Springs (3211663), Morena Reservoir (3211665), Otay Mesa (3211658), Otay Mountain (3211657), Potrero (3211655), Santa Ysabel (3311616), Sombrero Peak (3211673), Tecate (3211656), Tierra Del Sol (3211653)

Threat List Data from the CNDDB

Threat List Total: 3
EOs with Threat Listed: Total EOs % of EOs
11 19 %
Development 8 13%
Road/trail construction/maint. 2 3%
Grazing 1 1%

Notes
Threatened by development and grazing. A synonym of Hemizonia floribunda in The Jepson Manual. See Novon 9:462-471 (1999) for taxonomic treatment.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].