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Bransford, W.D. and Dolphia

Wyethia helianthoides

Wyethia helianthoides Nutt.

Sunflower Mule-ears

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: WYHE2

USDA Native Status: L48 (N)

Stout, leafy, hairy stems grow from a cluster of basal leaves, and have at top a flower head with about 13 white or pale cream rays and a yellow disc.

This species, the only white-rayed Wyethia, often forms dense patches in low spots in valleys.

From the Image Gallery

12 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 32 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow
Bloom Time: May , Jun

Distribution

USA: ID , MT , NV , OR , WY
Native Distribution: From central Oregon to southwestern Montana, northwestern Wyoming, and northern Nevada.
Native Habitat: Moist meadows in mountains.

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:			FACW							FACW

This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Wyethia helianthoides in USDA Plants
FNA: Find Wyethia helianthoides in the Flora of North America (if available)
Google: Search Google for Wyethia helianthoides

Metadata

Record Modified: 2023-01-30
Research By: TWC Staff

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