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Arctomecon merriamii

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About White Bear Poppy (Arctomecon merriamii) Arctomecon merriamii is a species of poppy known by several common names, including desert bearpoppy, white bearpoppy, and great bearclaw poppy. It is native to the Mojave Desert of California and Nevada. This is a taprooted perennial herb producing stout, waxy stems 20 to 50 centimeters tall. Hairy pale green leaves with rounded teeth are located around the base of the plant. The inflorescence at the tip of each stem is composed of one white poppy flower with six petals up to 4 centimeters long and green sepals covered in long, white hairs. The fruit is a capsule up to 3. 5 centimeters long containing many tiny seeds.
Plant Description
Plant Type
Perennial herb

Max. Height
0.7 - 1.6 ft (0.21 - 0.49 m)

Flower Color
White, Green

Native Status
Natural Setting
Elevation ?
1202' - 10277'

Annual Precip. ?
3.8" - 19.4"

Summer Precip. ?
0.71" - 4.59"

Coldest Month ?
32.3° F - 55.6° F

Hottest Month ?
56.8° F - 84.7° F

Humidity ?
3.80 vpd - 41.30 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
White Bearpoppy, Great Bearclaw Poppy, Desert Bearpoppy

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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