Orthocarpus pachystachyus Calflora

Calflora, a 501c3 non-profit

Taxon Report

Orthocarpus pachystachyus A. Gray

Shasta orthocarpus, Shasta owl's clover

2025 Julie A. Kierstead

2020 Dean Taylor

Orthocarpus pachystachyus is an annual herb that is native to California.

California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search ~13 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Orthocarpus
Family:	Orobanchaceae (Scrophulariaceae)
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 6 - strict endemic

Communities: Sagebrush Scrub, Valley Grassland

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO

Information about Orthocarpus pachystachyus from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (ORPA) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.1 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 05/15/2025).