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Rusby's Globemallow
Sphaeralcea rusbyi
About Rusby's Globemallow (Sphaeralcea rusbyi) Nurseries Show All Photos Sphaeralcea rusbyi is a species of flowering plant in the mallow family known by the common names Rusby's globemallow and Rusby's desert-mallow. It is native to the southwestern United States, where it can be found in various types of desert habitat. The species is generally divided into three subtaxa which grow in separate sections of the desert southwest. In general, the plant produces hairy or woolly stems which can reach three meters tall. The leaves are lobed or compound. The flowers each have five red-orange petals up to 2 centimeters long.
Plant Description
Plant Type
Perennial herb

Max. Height
9.8 ft (3 m)

Flower Color
Orange, Red

Native Status

Natural Setting
Site Type
Dry open places


Elevation ?
3016' - 5391'

Annual Precip. ?
6.1" - 10.7"

Summer Precip. ?
0.95" - 2.77"

Coldest Month ?
43.3° F - 52.3° F

Hottest Month ?
67.6° F - 77.4° F

Humidity ?
5.65 vpd - 29.78 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Rusby's Desert-mallow

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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