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Blakley's Spineflower
Chorizanthe blakleyi
About Blakley's Spineflower (Chorizanthe blakleyi) 0 Nurseries Carry This Plant Chorizanthe blakleyi is a rare species of flowering plant in the buckwheat family known by the common name Blakley's spineflower. It is endemic to the Sierra Madre Mountains of Santa Barbara County, California, where it is known from only eight occurrences, four of which are within the bounds of the Los Padres National Forest. It grows only on north-facing slopes in chaparral and woodland habitat. This plant grows upright to no more than 15 centimeters tall. It is yellow-green and hairy, with a few basal leaves up to about 2 centimeters long. The inflorescence contains several flowers, each surrounded by a tube of six hairy bracts with straight or hooked awns. The flower is a few millimeters wide with white or pink deeply notched tepals.
Plant Description
Plant Type
Plant Type
Annual herb

1.9 - 5.9 in tall

Flower Color
Flower Color
Yellow, Green

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL

Landscaping Information
Natural Setting
Annual Precipitation: 8.8" - 23.7", Summer Precipitation: 0.29" - 0.40", Coldest Month: 43.7" - 47.5", Hottest Month: 69.4" - 75.5", Humidity: 2.89" - 24.60", Elevation: 2026" - 4887"

Alternative Names
Common Names: Blakeley's Spineflower

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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