Taxon Report

Mimulus rattanii Gray ssp. decurtatus (Grant) Penn.

Santa Cruz County monkeyflower

Print Report


Taxon Summary

Mimulus rattanii ssp. decurtatus, commonly known as Santa Cruz County monkeyflower, is a annual herb in the Phrymaceae that is found only in California. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 400 to 500 meters. Mimulus rattanii ssp. decurtatus is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.


  Classification

Scientific Name:
Mimulus rattanii Gray ssp. decurtatus (Grant) Penn.
Common Name:
Santa Cruz County monkeyflower
Family: Phrymaceae
Element Code: PDSCR1B2D2
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual herb
Blooming Period: May-Jul May-Jul
Elevation: 400-500 (1310-1640)
General Habitats: Chaparral, Lower montane coniferous forest
Microhabitat: Gravelly, Lake Margins
Microhabitat Details: margins

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
California Endemic:  True
California Counties and Islands: Name (Code)
Santa Cruz (SCR)
Quads: Name (Quad Code)
Davenport (3712212), Felton (3712211)

Notes

Field work needed. Threatened by sand mining. A synonym of M. rattanii in The Jepson Manual (1993) and TJM 2.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 22 February 2025].