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Congdon's Woolly Sunflower
Eriophyllum congdonii
About Congdon's Woolly Sunflower (Eriophyllum congdonii) 0 Nurseries Carry This Plant Eriophyllum congdonii, known by the common name Congdon's woolly sunflower, is a rare California species of flowering plant in the aster family. Eriophyllum congdonii is native to the mountains of central Mariposa County, California, where it grows along the valley of the Merced River as it flows through Yosemite National Park. One additional population has been reported on the east flank of Telescope Peak in Inyo County. Eriophyllum congdonii is an annual herb growing mostly erect with branching stems up to 30 centimeters (1 foot) long. The woolly, whitish leaves are 1 to 4 centimeters (0. 4-1. 6 inches) long and may have a few shallow lobes. The inflorescence consists of one flower head containing many glandular yellow disc florets surrounded by 8 to 10 yellow ray florets each 3 to 5 millimeters (0. 12-0. 20 inches) long. The fruit is a rough-haired achene with a tiny, scaly pappus.
Plant Description
Plant Type
Plant Type
Annual Herb

Flower Color
Flower Color
Yellow, White

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL
Telethusia ovalis Image
Telethusia ovalisTelethusia ovalis

Landscaping Information
Natural Setting
Annual Precipitation: 19.5" - 44.2", Summer Precipitation: 0.56" - 4.49", Coldest Month: 29.7" - 46.8", Hottest Month: 54.1" - 72.1", Humidity: 2.72" - 21.90", Elevation: 1760" - 10426"

Alternative Names
Common Names: Congdon's Eriophyllum

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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