Taxon Report

Trichostema micranthum Gray

small-flowered bluecurls

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Taxon Summary

Trichostema micranthum, commonly known as small-flowered bluecurls, is a annual herb in the Lamiaceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, and Meadows and seeps, growing at elevations from 1525 to 2300 meters. Trichostema micranthum is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.


  Classification

Scientific Name:
Trichostema micranthum Gray
Common Name:
small-flowered bluecurls
Family: Lamiaceae
Element Code: PDLAM22080
USDA Plants Symbol: TRMI3
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual herb
Blooming Period: Jun-Sep Jun-Sep
Elevation: 1525-2300 (5005-7545)
General Habitats: Lower montane coniferous forest, Meadows and seeps
Microhabitat: Mesic
Microhabitat Details:

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:  False
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Butler Peak (3411731), Fawnskin (3411638), Keller Peak (3411721), Lake Arrowhead (3411732), Onyx Peak (3411626)

Notes

See Synoptical Flora of North America 2(1):348 (1878) for original description.
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 3 March 2025].