Calflora
Taxon  Report   2042    
Chorizanthe polygonoides  Torr. & A. Gray  var. longispina  (Goodman) Munz
Knotweed spineflower,  Long spined spineflower
Chorizanthe polygonoides var. longispina, a dicot, is an annual herb that is native to California and Baja California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   CNPS Inventory
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(277 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period

Habitat: meadows

Communities: Chaparral, Valley Grassland, Coastal Sage Scrub

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + PLANTS: Acanthogonum polygonoides var. longispinum
JEF + PLANTS: Chorizanthe polygonoides ssp. longispina
More information about  Chorizanthe polygonoides var. longispina
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CHPOL)


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: https://www.calflora.org/   (Accessed: Aug 09, 2020).