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Wilkes' Cryptantha Back to Plant Page
Cryptantha ambigua

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About Wilkes' Cryptantha (Cryptantha ambigua) Cryptantha ambigua is a species of flowering plant in the borage family known by the common name basin cryptantha. It is native to western North America from British Columbia to California to Colorado, where it grows in many types of habitat, including forest, scrub, and sagebrush. It is an annual herb producing a branching stem 10 to 35 centimeters tall covered in stiff hairs. The hairy to bristly leaves are up to 4 centimeters long. The inflorescence is a linear array of developing fruits with a dense clump of open flowers at the tip. The bristly white five-lobed flowers are 3 or 4 millimeters wide.
Plant Description
Plant Type
Annual herb

Max. Height
0.33 - 1.2 ft (0.1 - 0.37 m)

Flower Color

Native Status

Natural Setting
Elevation ?
178' - 8837'

Annual Precip. ?
4.5" - 73.8"

Summer Precip. ?
0.36" - 2.24"

Coldest Month ?
24.2° F - 61.4° F

Hottest Month ?
52.3° F - 88.3° F

Humidity ?
0.58 vpd - 42.13 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Basin Cryptantha

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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