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Geum macrophyllum (Largeleaf avens)
Smith, R.W.

Geum macrophyllum

Geum macrophyllum Willd.

Largeleaf Avens, Large-leaf Avens

Rosaceae (Rose Family)


USDA Symbol: GEMA4

USDA Native Status: L48 (N), AK (N), CAN (N), SPM (N)

A leafy plant with 1 or several stems, and a few yellow flowers on branches at the top.

Geums with yellow flowers are difficult to distinguish from Cinquefoils (Potentilla), but in Geum species the style is divided into an upper and lower part, and in most western species the leaves are also narrow at the base and broad at the tip.


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf: Green

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul


USA: AK , AZ , CA , CO , ID , ME , MI , MN , MT , ND , NH , NM , NV , NY , OR , SD , UT , VT , WA , WI , WY
Canada: NB , NS , PE
Native Distribution: Alaska; south to Baja California; east to South Dakota and the Rocky Mountain region as far south as northern New Mexico.
Native Habitat: Moist woods or meadowland from low to high elevations.

Growing Conditions

Water Use: Medium
Light Requirement: Shade
CaCO3 Tolerance: Medium


Conspicuous Flowers: yes

Find Seed or Plants

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

View propagation protocol from Native Plants Network.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). 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

Additional resources

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


Record Modified: 2015-05-15
Research By: TWC Staff

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