Taxon Report

Monardella undulata Benth. ssp. arguelloensis Elvin & A.C. Sanders

Point Arguello monardella

Print Report


© 2012 CNPS, San Luis Obispo Chapter

Taxon Summary

Monardella undulata ssp. arguelloensis, commonly known as Point Arguello monardella, is a perennial shrub in the Lamiaceae that is found only in California. It occurs within Coastal bluff scrub, Coastal dunes (stabilized), and Coastal scrub, growing at elevations from 50 to 150 meters. Monardella undulata ssp. arguelloensis is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.


  Classification

Scientific Name:
Monardella undulata Benth. ssp. arguelloensis Elvin & A.C. Sanders
Common Name:
Point Arguello monardella
Family: Lamiaceae
Element Code: PDLAM18151
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial shrub
Blooming Period: May-Sep May-Sep
Elevation: 50-150 (165-490)
General Habitats: Coastal bluff scrub, Coastal dunes, Coastal scrub
Microhabitat: Sandy
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 1
Element Occurrence Ranks:
   Excellent (A) 1
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  True
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
Point Arguello (3412056), Tranquillon Mtn. (3412055)

Threat List Data from the CNDDB

Threat List Total: 1
EOs with Threat Listed: Total EOs % of EOs
1 100 %
Non-native plant impacts 1 100%

Notes

Known only from vicinity of Pt. Arguello. Threatened by military activities and non-native plants. See Novon 19(3):315-343 (2009) for original description.
Threats:
Threatened by military activities and non-native plants.
Taxonomy:

Selected References

CRPR List Addition on 2012-06-14
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].