Sphaeralcea ambigua

Sphaeralcea ambigua
Sphaeralcea ambigua
Desert Globemallow
Sphaeralcea ambigua var. ambigua
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malvales
Family: Malvaceae
Genus: Sphaeralcea
Species: S. ambigua
Binomial name
Sphaeralcea ambigua
A.Gray

Sphaeralcea ambigua, commonly known as Desert Globemallow or Apricot Mallow, is a member of the genus Sphaeralcea in the mallow family (Malvaceae). [1]

It is a perennial shrub native to parts of California, Nevada, Utah, and Arizona in the U.S.; and Sonora and Baja California in Northwest Mexico [2] [1]. It grows well in alkaline soil, both sandy or clay, usually in the company of creosote bush scrub and desert chaparral habitats, from 150–2,500 metres (490–8,200 ft) in elevation. It is found in the Mojave Desert, Great Basin deserts, and Sonoran Desert ecoregions. [2]

Contents

Description

The Sphaeralcea ambigua grows to 3 feet (0.91 m) in height, and spreads to 2–3 feet (0.61–0.91 m) in width [3]. The leaves are fuzzy, deeply lobed, and on long stems, the number of which increase with age. The fruit is a brown capsule containing numerous seeds. The flowers are apricot to orange in color and bloom in the spring. [2]

Varieties

Sphaeralcea ambigua has eight to nine named varieties. [4]

They include:
  • Sphaeralcea ambigua A. Gray var. ambigua [5]
  • Sphaeralcea ambigua A. Gray var. aculeata Jeps. (synonym for S. a. var. ambigua) [6]
  • Sphaeralcea ambigua A. Gray var. rosacea (Munz & I.M. Johnst.) Kearney [7]
  • Sphaeralcea ambigua A. Gray var. rugosa (Kearney) Kearney [8]

Uses

The plant was used by members of the Shoshoni tribe of Native Americans as a food source and medicinal plant. [9]

Cultivation

Sphaeralcea ambigua is cultivated as an ornamental plant by specialty plant nurseries for use in desert and drought tolerant gardens, and a native plant its desert region's natural landscaping and habitat restoration projects. [3]

Cultural Requirements [3]
  • Exposure: full sun
  • Water: natural rainfall; supplemental water will increasing flowering
  • Soil: desert soil, tolerant of some clay, prefers good drainage
  • Propagation: easy by seed; tricky by vegetative cuttings, best results from first flush of new spring growth
  • Maintenance: low, periodically cut back to keep vegetative look

Gallery

  • Sphaeralcea ambigua 4.jpg
  • Sphaeralcea ambigua 2.jpg
  • Sphaeralcea ambigua 1.jpg

References

  1. ^ a b USDA
  2. ^ a b c Jepson: Sphaeralcea ambigua . accessed 11.11.2011
  3. ^ a b c University of Arizona Pima County Cooperative Extension - Master Gardeners . accessed 11.11.2011
  4. ^ Jepson Taxon Report: Taxon Report . accessed 11.11.2011
  5. ^ Jepson - var. ambigua . accessed 11.11.2011
  6. ^ Jepson var. aculeata/ambigua . accessed 11.11.2011
  7. ^ Jepson - var. rosacea . accessed 11.11.2011
  8. ^ Jepson - var. rugosa . accessed 11.11.2011
  9. ^ Native American Ethnobotany (University of Michigan - Dearborn) . accessed 11.11.2011

External links


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