Taxon  Report   2052    
Chorizanthe robusta  Parry  var. hartwegii  (Benth.) Reveal & Rand. Morgan
Robust spineflower,  Scott's valley spineflower
Chorizanthe robusta var. hartwegii, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   CNPS Inventory

It is listed by the Federal Government as Endangered .
Observation Search
(41 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Habitat: meadows

Communities: Valley Grassland

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + PLANTS: Chorizanthe douglasii var. hartwegii
JEF + PLANTS: Chorizanthe pungens var. hartwegii
More information about  Chorizanthe robusta var. hartwegii
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Apr 09, 2020).