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Calystegia peirsonii
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Peirson's Morning-glory
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Calystegia peirsonii

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About Peirson's Morning-glory (Calystegia peirsonii) Calystegia peirsonii is a species of morning glory known by the common name Peirson's false bindweed. It is endemic to Los Angeles County, California, occurring at the junction of the San Gabriel Mountains and the Mojave Desert in the vicinity of the Antelope Valley. Calystegia peirsonii is a rhizomatous perennial herb producing low-lying or climbing stems up to 40 centimeters long, and hairless and waxy in texture. The small leaves are up to 2 centimeters long, lobed, and generally triangular in shape. The inflorescence produces flowers at the end of peduncles a few centimeters long, each flower a white morning glory up to 4 centimeters wide.
Plant Description
Plant Type
Perennial herb

Flower Color

Native Status
Natural Setting
Elevation ?
67' - 6910'

Annual Precip. ?
5.9" - 31.1"

Summer Precip. ?
0.21" - 1.99"

Coldest Month ?
37.9° F - 55.9° F

Hottest Month ?
60.8° F - 79.3° F

Humidity ?
1.03 vpd - 31.68 vpd

Landscaping Information
Common uses
Bee Gardens

Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Peirson's False Bindweed

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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