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Shining Mule Ears
Wyethia glabra
About Shining Mule Ears (Wyethia glabra) 1 Nurseries Carry This Plant Wyethia glabra is a species of flowering plant in the aster family known by the common name Coast Range mule's ears. It is endemic to California, where it grows in the North and Central Coast Ranges. It is a perennial herb growing from a tough taproot and caudex unit and producing a stem up to 40 centimeters tall. It is hairless to hairy and glandular. The leaves have lance-shaped or oval blades up to 45 centimeters long. The inflorescence is usually a solitary flower head or occasionally a cluster of 2 or more. The head has lance-shaped leaflike phyllaries at the base. It contains up to 21 yellow ray florets each up to 5 centimeters long and many yellow disc florets. The fruit is an achene over a centimeter long, including its pappus. Media related to Wyethia glabra at Wikimedia Commons
Plant Description
Plant Type
Plant Type
Perennial herb

1.3 ft tall

Flower Color
Flower Color

Landscaping Information


For propagating by seed: No treatment.

Natural Setting
Site Type
Site Type
Open places

Annual Precipitation: 12.1" - 68.8", Summer Precipitation: 0.17" - 1.53", Coldest Month: 40.8" - 49.2", Hottest Month: 64.7" - 78.4", Humidity: 0.44" - 25.92", Elevation: 10" - 3435"

Alternative Names
Common Names: Coast Range Mule's Ears, Coast Range Mule-ears, Coast Range Mulesears, Smooth Mules Ears

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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