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Chorizanthe xanti
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Riverside Spineflower
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Chorizanthe xanti
  

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About Riverside Spineflower (Chorizanthe xanti) Chorizanthe xanti is a species of flowering plant in the buckwheat family known by the common name Riverside spineflower. It is endemic to California, where it grows in several of the mountain ranges from the Sierra Nevada to the Southern California Transverse Ranges in forest, woodland, and scrub habitats. Chorizanthe xanti is generally erect in form, reaching up to about 30 centimeters in height, and reddish in color and coated in thin to dense hairs. The inflorescence is a loose cluster of flowers, each flower surrounded by six reddish, curly-haired bracts tipped with hooked awns. The flower is up to 6 millimeters wide and pink to red in color. There are two varieties of this species. Chorizanthe xanti is generally erect in form, reaching up to about 30 centimeters in height, and reddish in color and coated in thin to dense hairs. The inflorescence is a loose cluster of flowers, each flower surrounded by six reddish, curly-haired bracts tipped with hooked awns. The flower is up to 6 millimeters wide and pink to red in color. There are two varieties of this species. The rarer, var. leucotheca, is known only from the San Jacinto and San Bernardino Mountains. It has a much more thickly woolly inflorescence than the more common variety.
Plant Description
Plant Type
Annual herb

Max. Height
1.2 - 11.8 in (3 - 30 cm)

Flower Color
Red

Native Status
Native

Natural Setting
Elevation ?
274' - 8655'

Annual Precip. ?
4.9" - 37.4"

Summer Precip. ?
0.13" - 3.61"

Coldest Month ?
34.1° F - 58.8° F

Hottest Month ?
56.8° F - 87.5° F

Humidity ?
1.25 vpd - 38.31 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available


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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