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Wyethia invenusta
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Rayless Mule's Ears
( Wyethia invenusta )
Wyethia invenusta
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Rayless Mule's Ears (Wyethia invenusta)
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Agnorhiza invenusta (syn.
Wyethia invenusta
) is a species of flowering plant known by the common names Coville's mule's ears and rayless mule's ears. It is found only in California, where it grows in the Sierra Nevada foothills as in Fresno, Tulare, and Kern Counties. Agnorhiza invenusta is a perennial herb growing from a thick taproot and caudex unit. The hairy, glandular stem grows up to a meter tall. The leaves have triangular or oval blades, up to 15 to 20 centimeters long. The inflorescence is made up of one or more flower heads. The head has lance-shaped phyllaries which may be more than 3 centimeters long.
Plant Description
Plant Type
Perennial herb
Size
3.3 ft tall
Flower Color
Yellow
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 10.6" - 45.1", Summer Precipitation: 0.26" - 1.36", Coldest Month: 27.8" - 46.6", Hottest Month: 54.2" - 68.7", Humidity: 2.69" - 20.67", Elevation: 3362" - 7672"
Alternative Names
Common Names
: Coville's Mule's Ears
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Rayless Mule's Ears
Wyethia invenusta
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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