Taxon Report

Galium angustifolium Nutt. ssp. onycense (Dempster) Dempster & Steb.

Onyx Peak bedstraw

Print Report


© 2020 Cheryl Birker

Taxon Summary

Galium angustifolium ssp. onycense, commonly known as Onyx Peak bedstraw, is a perennial herb in the Rubiaceae that is found only in California. It occurs within Cismontane woodland, and Pinyon and juniper woodland, growing at elevations from 860 to 2300 meters. Galium angustifolium ssp. onycense is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.


  Classification

Scientific Name:
Galium angustifolium Nutt. ssp. onycense (Dempster) Dempster & Steb.
Common Name:
Onyx Peak bedstraw
Family: Rubiaceae
Element Code: PDRUB0N048
USDA Plants Symbol: GAANO
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Jul Apr-Jul
Elevation: 860-2300 (2820-7545)
General Habitats: Cismontane woodland, Pinyon and juniper woodland
Microhabitat: Granitic, Rocky
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 11
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 11
California Endemic:  True
California Counties and Islands: Name (Code)
Kern (KRN), Tulare (TUL)
Quads: Name (Quad Code)
Cannell Peak (3511873), Horse Canyon (3511851), Lamont Peak (3511871), Onyx (3511862), Walker Pass (3511861), Weldon (3511863)

Notes

Known only from the Onyx Pk. area. See Brittonia 10:189 (1958) for original description, MadroƱo 21(2):94 (1971) for revised nomenclature, and Flora of California 4(2):26 (1979) by L. Dempster for taxonomic treatment.
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 7 October 2025].