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White Fiesta Flower
Pholistoma membranaceum
About White Fiesta Flower (Pholistoma membranaceum) 0 Nurseries Carry This Plant Pholistoma membranaceum is a species of flowering plant in the borage family which is known by the common name white fiesta flower. It is native to western North America from Oregon through California to Baja California. It can be found in many types of habitat from mountain ravines to beaches to desert scrub. Pholistoma membranaceum is an annual herb with a waxy, fleshy, bristly stem up to 90 centimeters long and branching profusely, sometimes forming a tangle. The leaves are deeply lobed or cut and borne on winged petioles. The foliage is coated in hairs. The inflorescence bears 2 to 10 flowers each under a centimeter wide. The flower is white, usually with a purple spot or streak on each of its five lobes.
Plant Description
Plant Type
Plant Type
Annual herb

0.16 - 3 ft tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 2 likely * ) SHOW ALL
Viridiseptis marina Image
Viridiseptis marinaViridiseptis marina
Stamnodes albiapicata Image
Stamnodes albiapicataStamnodes albiapicata

Landscaping Information
Natural Setting
Annual Precipitation: 2.0" - 32.5", Summer Precipitation: 0.15" - 2.49", Coldest Month: 39.6" - 59.9", Hottest Month: 60.6" - 89.3", Humidity: 0.89" - 46.51", Elevation: -122" - 8177"

Alternative Names
Common Names: White 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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