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Cressler, Alan

Pityopsis ruthii

Pityopsis ruthii (Small) Small

Ruth's Gold-aster, Ruth's Grass-leaved Golden-aster, Ruth's Silk-grass

Asteraceae (Aster Family)

Synonym(s): Chrysopsis ruthii, Heterotheca ruthii

USDA Symbol: PIRU3

USDA Native Status: L48 (N)

A federally-listed Endangered Species. Endemic to Tennessee.

From the Image Gallery

8 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: To about 1 foot in height.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov

Distribution

USA: TN
Native Distribution: Endemic to Polk County, Tennessee.
Native Habitat: Sunny, occasionally-inundated river banks (Hiwassee and Ocoee Rivers) in soil-filled cracks in phyllite boulders.

U.S. Fish & Wildlife Service Threatened & Endangered Status

USFWS Species Profile: Q2QK
Status: Endangered
Historic Range: U.S.A. (TN)
Critical Habitat: N/A
Special Rules: N/A
This information is derived from the U.S. Fish & Wildlife Serrvice Environmental Conservation Online System.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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

Metadata

Record Modified: 2022-12-30
Research By: Joseph A. Marcus

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