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El Dorado County Mule Ears
Wyethia reticulata
About El Dorado County Mule Ears (Wyethia reticulata) 0 Nurseries Carry This Plant Agnorhiza reticulata (syn. Wyethia reticulata), known by the common name El Dorado County mule's ears, is a rare species of flowering plant found only in a small region of north-central California. Agnorhiza reticulata grows in the California interior chaparral and woodlands habitats of the Sierra Nevada foothills. It has been found in El Dorado, Sacramento, and Yuba Counties. Agnorhiza reticulata is a perennial herb producing a hairy, glandular, sticky-textured stem growing 40 to 70 centimeters tall, at times reaching 1 meter (3 ft. ). The leaves have triangular or lance-shaped blades up to 15 centimeters long. The inflorescence is a usually solitary sunflowerlike flower head with up to 21 yellow ray florets measuring up to 2. 5 centimeters long. At the center are yellow disc florets. The flowers are pollinated by native bees. The fruit is an achene a few millimeters long which usually lacks a pappus.
Plant Description
Plant Type
Plant Type
Perennial herb

1.3 - 2.3 ft tall

Flower Color
Flower Color

Landscaping Information
Natural Setting
Annual Precipitation: 30.1" - 34.6", Summer Precipitation: 0.52" - 0.58", Coldest Month: 47.0" - 48.0", Hottest Month: 72.2" - 73.6", Humidity: 2.03" - 22.15", Elevation: 585" - 1924"

Alternative Names
Common Names: El Dorado County Mule's Ears, El Dorado Mule-ears, Eldorado Wyethia

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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