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Pholistoma auritum
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Blue Fiestaflower
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Pholistoma auritum
  

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About Blue Fiestaflower (Pholistoma auritum) Pholistoma auritum is a species of flowering plant in the borage family which is known by the common name blue fiestaflower. It is native to California, southern Nevada, and Arizona, where it can be found in many types of habitat, from mountain talus to coastal bluffs to desert scrub. It is native to California, southern Nevada, and Arizona, where it can be found in many types of habitat, from mountain talus to coastal bluffs to desert scrub. Pholistoma auritum is an annual herb with a brittle, fleshy, bristly stem branching profusely, sometimes forming a tangle. The leaves are deeply lobed and toothed and borne on winged petioles. The foliage is coated in hairs and bristles. The inflorescence is made up of one or more widely bell-shaped flowers up to 1. 5 centimeters long and 3 wide. The hair-lined flowers are blue to purple with darker markings in the centers. The purple Arizona fiestaflower, Pholistoma auritum var. arizonicum, is considered a subspecies.
Plant Description
Plant Type
Annual herb

Max. Height
0.7 - 3.9 ft (0.21 - 1.2 m)

Native Status
Native

Natural Setting
Sun
Sun, Part Shade

Elevation ?
-3814' - 7635'

Annual Precip. ?
5.2" - 65.6"

Summer Precip. ?
0.15" - 2.83"

Coldest Month ?
32.4° F - 60.4° F

Hottest Month ?
57.9° F - 88.3° F

Humidity ?
0.47 vpd - 42.82 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Arizona Fiestaflower


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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