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Pholistoma racemosum
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Racemose Fiesta Flower
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Pholistoma racemosum

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About Racemose Fiesta Flower (Pholistoma racemosum) Pholistoma racemosum is a species of flowering plant in the borage family which is known by the common name racemose fiesta flower. It is native to southern California, including the Channel Islands, and Baja California, where it can be found in coastal areas and in the coastal mountains and canyons, often in moist, shady areas. It is an annual herb with a fleshy, bristly stem up to 60 centimeters long and branching profusely, sometimes forming a tangle. The leaves are generally oval or triangular in shape but are deeply lobed or cut and borne on winged petioles. The foliage is coated in rough hairs. The inflorescence bears 2 to 6 flowers each up to a centimeter long and 1. 5 wide. The flower is white to blue in color with five rounded lobes.
Plant Description
Plant Type
Annual herb

Max. Height
0.7 - 2 ft (0.21 - 0.6 m)

Native Status

Natural Setting
Elevation ?
1' - 2759'

Annual Precip. ?
5.9" - 32.3"

Summer Precip. ?
0.15" - 1.08"

Coldest Month ?
46.0° F - 57.4° F

Hottest Month ?
62.3° F - 85.8° F

Humidity ?
1.14 vpd - 36.20 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Racemed 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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