Taxon Report

Acanthomintha lanceolata Curran

Santa Clara thorn-mint

Print Report


© 2005 Barry Breckling

Taxon Summary

Acanthomintha lanceolata, commonly known as Santa Clara thorn-mint, is a annual herb in the Lamiaceae that is found only in California. It occurs within Chaparral (often serpentinite), Cismontane woodland, and Coastal scrub, growing at elevations from 80 to 1200 meters. Acanthomintha lanceolata is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

  Classification
Scientific Name:
 Acanthomintha lanceolata Curran
Common Name:
 Santa Clara thorn-mint
Family: Lamiaceae
Element Code: PDLAM01020
USDA Plants Symbol: ACLA2
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual herb
Blooming Period: Mar-Jun Mar-Jun
Elevation: 80-1200 (260-3935)
General Habitats: Chaparral, Cismontane woodland, Coastal scrub
Microhabitat: Rocky
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 4.2
Global Rank: G4
State Rank:
 S4
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG
CRPR Changes:

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

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Alameda (ALA), Fresno (FRE), Merced (MER), Monterey (MNT), San Benito (SBT), San Joaquin (SJQ), Santa Clara (SCL), Stanislaus (STA)
Quads: Name (Quad Code)
Calaveras Reservoir (3712147), Cedar Mtn. (3712155), Cerro Colorado (3612068), Copper Mtn. (3712143), Curry Mountain (3612014), Eylar Mtn. (3712145), Gilroy (3712115), Hepsedam Peak (3612037), Hernandez Reservoir (3612047), Idria (3612046), Isabel Valley (3712135), La Costa Valley (3712157), Lick Observatory (3712136), Llanada (3612058), Lone Tree Creek (3712154), Los Banos Valley (3612181), Mariposa Peak (3612182), Midway (3712165), Mississippi Creek (3712124), Monarch Peak (3612027), Mt. Boardman (3712144), Mt. Day (3712146), Mt. Sizer (3712125), Mt. Stakes (3712134), Ortigalita Peak (3612078), Pacheco Pass (3712112), Rock Spring Peak (3612048), Ruby Canyon (3612171), San Benito Mtn. (3612036), Santa Rita Peak (3612035), Solyo (3712153), Wilcox Ridge (3712133)

Threat List Data from the CNDDB

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

Notes
Possibly threatened by non-native plants, grazing, and hydrological alterations.
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 30 January 2025].