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Gray Chickensage

Artemisia albicans Sòn. Garcia, Garnatje, Mc Arthur, Pellicer, S. C. Sand. & Vallès-Xirau

Comprehensive Description

provided by North American Flora
Sphaeromeria cana (D. C. Eaton) A. Heller, Muhlenbergia 1:7. 1900.
Tanacelum canum D. C. Eaton, in S. Wats. Bot. King's Expl. 179. 1871.
A low shrub, 2-6 dm. high ; branches silky-canescent when young ; leaves silvery-canescent, 1-5 cm. long, the lower pedalely 3-5-fid into oblanceolate divisions, the upper lanceolate or oblanceolate, undivided; heads several, corymbose; involucre hemispheric, 3 mm. high, 5-6 mm. broad; bracts 10-12, canescent, yellowish, elliptic to oljovate, obtuse; ray-flowers 4-8; corollas nearly 2 mm. long, cylindric, obscurely 3-4-lobed; lobes short-villous; disk-flowers 50-60; corollas camjjanulate, with a short tube, 2 mm. long, with short-villous lobes; achenes 1.5 mm. long, cylindric, 10-ribbed, truncate at the apex.
Type ixkality: East Hunilioldt Mountains, Nevada. Distribution: Nevada, eastern California, and Oregon.
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bibliographic citation
Per Axel Rydberg. 1916. (CARDUALES); CARDUACEAE; TAGETEAE, ANTHEMIDEAE. North American flora. vol 34(3). New York Botanical Garden, New York, NY
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Sphaeromeria cana

provided by wikipedia EN

Sphaeromeria cana (recently proposed name Artemisia albicans[1]) is a species of flowering plant in the family Asteraceae known by the common name gray chickensage.[2] It is native to the western United States, where it is known from the Sierra Nevada, the adjacent desert ranges of eastern California and Nevada, and Steens Mountain of Oregon. It grows in dry, rocky mountain habitat, such as cracks and crevices, including the talus above the tree line. This is an aromatic subshrub with numerous erect branches growing up to 30 to 60 centimeters tall. It is gray-green in color and coated with woolly fibers. The leaves are linear or lance-shaped, the lower ones divided into lobes. The inflorescence is generally a cluster of flower heads lined with woolly phyllaries and containing yellow disc florets. There are no ray florets. The fruit is a ribbed achene about 2 millimeters long.

References

  1. ^ a b Garcia, S; Garnatje, T; McArthur, ED; et al. (2011). "Taxonomic and nomenclatural rearrangements in Artemisia subgen. Tridentatae, including a redefinition of Sphaeromeria (Asteraceae, Anthemideae)". Western North American Naturalist. 71 (2): 158–163. doi:10.3398/064.071.0203. S2CID 84052786.
  2. ^ USDA, NRCS (n.d.). "Sphaeromeria cana". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 25 November 2015.

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Sphaeromeria cana: Brief Summary

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Sphaeromeria cana (recently proposed name Artemisia albicans) is a species of flowering plant in the family Asteraceae known by the common name gray chickensage. It is native to the western United States, where it is known from the Sierra Nevada, the adjacent desert ranges of eastern California and Nevada, and Steens Mountain of Oregon. It grows in dry, rocky mountain habitat, such as cracks and crevices, including the talus above the tree line. This is an aromatic subshrub with numerous erect branches growing up to 30 to 60 centimeters tall. It is gray-green in color and coated with woolly fibers. The leaves are linear or lance-shaped, the lower ones divided into lobes. The inflorescence is generally a cluster of flower heads lined with woolly phyllaries and containing yellow disc florets. There are no ray florets. The fruit is a ribbed achene about 2 millimeters long.

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