Taxon Report

Tropidocarpum capparideum Greene

caper-fruited tropidocarpum

Print Report



  Classification

Scientific Name:
Tropidocarpum capparideum Greene
Common Name:
caper-fruited tropidocarpum
Family: Brassicaceae
Element Code: PDBRA2R010
USDA Plants Symbol: TRCA9
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual herb
Blooming Period: Mar-Apr Mar-Apr
Elevation: 1-455 (5-1495)
General Habitats: Valley and foothill grassland
Microhabitat:
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 1B.1
Global Rank: G1
State Rank:
S1
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG; USFS_S
CRPR Changes:
  • added to 1B on 2003-05-07

Occurrence Data from the CNDDB

Total Occurrences: 22
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 4
   Fair (C) 0
   Poor (D) 0
   None (X) 9
   Unknown (U) 8
California Endemic:  True
California Counties and Islands: Name (Code)
Alameda (ALA)*, Contra Costa (CCA)*, Monterey (MNT), San Joaquin (SJQ)*, San Luis Obispo (SLO)
Quads: Name (Quad Code)
Altamont (3712166)*, Brentwood (3712186), Burnett Peak (3512172), Byron Hot Springs (3712176)*, Clayton (3712188)*, Clifton Court Forebay (3712175)*, Jolon (3512182), Lathrop (3712173), Livermore (3712167), Lopez Mtn. (3512035), Midway (3712165)*, Tassajara (3712177), Tracy (3712164)*, Union Island (3712174), Woodward Island (3712185)*

Threat List Data from the CNDDB

Threat List Total: 8
EOs with Threat Listed: Total EOs % of EOs
15 68 %
Agriculture 8 36%
Development 5 22%
Military operations 5 22%
Non-native plant impacts 3 13%
ORV activity 1 4%
Grazing 1 4%
Improper burning regime 1 4%
Altered flood/tidal/hydrologic regime 1 4%

Notes

Rediscovered in 2000 on Ft. Hunter Liggett (DOD). Possibly threatened by grazing, military activities, trampling, and non-native plants. See Pittonia 1:217 (1888) for original description, and Novon 11:292-293 (2001) for taxonomic information.
Threats:
Taxonomy:

Selected References

CRPR List Addition on 2003-05-07
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].