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Cressler, Alan

Geum radiatum

Geum radiatum Michx.

Appalachian Avens, Spreading Avens, Cliff Avens

Rosaceae (Rose Family)

Synonym(s): Acomastylis radiata, Sieversia radiata

USDA Symbol: GERA2

USDA Native Status: L48 (N)

A federally-listed Endangered Species since 1990. A state listed Endangered species in TN. A state-listed Special Concern, Endangered species in North Carolina.

From the Image Gallery

6 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Leaf Shape: Reniform
Breeding System: Flowers Bisexual
Inflorescence: Cyme
Fruit Type: Achene , Aggregate
Size Notes: To about 20 inches in height.
Leaf: Kidney-shaped with uneven, toothed margin.
Flower: Actinomorphic with five, bright yellow petals.
Fruit: Aggregated achenes, hairy, maturing August to October.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: Jun , Jul , Aug , Sep

Distribution

USA: NC , TN
Native Habitat: Cliffs, balds and talus slopes on or near mountaintops.

Growing Conditions

Soil pH: Acidic (pH<6.8)
Cold Tolerant: yes
Soil Description: Rocky, gravelly, cliffs and rock outcrops.

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

USFWS Species Profile: Q1WM
Status: Endangered
Historic Range: U.S.A. (NC, 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 Geum radiatum in USDA Plants
FNA: Find Geum radiatum in the Flora of North America (if available)
Google: Search Google for Geum radiatum

Metadata

Record Modified: 2023-05-09
Research By: Joseph A. Marcus

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