Taxon Report

Keckiella rothrockii (A. Gray) Straw var. jacintensis (Abrams) N. H. Holmgren

San Jacinto Mountains keckiella

Print Report


© 2013 Keir Morse

Taxon Summary

Keckiella rothrockii var. jacintensis, commonly known as San Jacinto Mountains keckiella, is a perennial shrub in the Plantaginaceae that is found only in California. It occurs within Upper montane coniferous forest, growing at elevations from 2225 to 2995 meters. Keckiella rothrockii var. jacintensis is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.


  Classification

Scientific Name:
Keckiella rothrockii (A. Gray) Straw var. jacintensis (Abrams) N. H. Holmgren
Common Name:
San Jacinto Mountains keckiella
Family: Plantaginaceae
Element Code: PDSCR0T061
USDA Plants Symbol: KEROJ3
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial shrub
Blooming Period: (Jun)Jul-Aug(Sep) (Jun)Jul-Aug(Sep)
Elevation: 2225-2995 (7300-9825)
General Habitats: Upper montane coniferous forest
Microhabitat: Granitic
Microhabitat Details: Flat areas or gentle slopes and drainages usually on north- to east-facing aspects

Occurrence Data from the CNDDB

Total Occurrences: 16
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 16
California Endemic:  False
California Counties and Islands: Name (Code)
Riverside (RIV)
Quads: Name (Quad Code)
San Jacinto Peak (3311676)

Notes

Threats:
Possibly threatened by recreational activities
Taxonomy:
Similar to but disjunct from var. rothrockii; differentiated morphologically by its longer (13–15 mm) and sparsely long-hairy corollas and its green, glabrescent leaves.

Selected References

Proposed addition to CRPR 1B.3, G4T2T3 / S2S3 (2023)
Bulletin of the Torrey Botanical Club 33(8): 445. 1906.
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 23 October 2025].