Streptanthus howellii Calflora

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Taxon Report

Streptanthus howellii S. Watson

Howell's jewel flower, Howell's jewelflower

1990 Dean Wm. Taylor

Rick York and CNPS

2005 Shawn DeCew

Streptanthus howellii is a perennial herb that is native to California, and also found in Oregon.

California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search (25 records) Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Streptanthus
Family:	Brassicaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 6 - strict endemic

Communities: Yellow Pine Forest

Name Status:
Accepted by JEF + CNPS + PLANTS

Information about Streptanthus howellii from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (STHO) 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.2 Consortium of California Herbaria 2	Add an Observation Location Suitability Planting Guide Distribution by County
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Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 06/02/2023).