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Linnaeus named the Geum genus in 1753.
Geum aleppicum (Yellow Avens)
Rosaceae (Rose Family)

Foothills, montane. Meadows. Summer.
Haviland Lake Trail, July 1, 2005 and Navajo Lake Trail, July 6, 2004.

In the midst of wet meadow greenery one can often find the tall and slender Geum aleppicum with its serrated three parted leaves. Geum aleppicum and Geum macrophyllum, members of the Rose Family, are often taken for Buttercups on the basis of their small, bright, yellow flowers.  Both Geums are found most commonly in moist montane habitats.

"Geum" is a Latinized version of an ancient Greek word, perhaps "geus" (or "geuo"), meaning, "to give flavor" as some plants given this name were commonly used for flavoring. "Aleppicum" means "from Aleppo, Syria".

Geum macrophyllum (Large-leaved Avens)
Rosaceae (Rose Family)

Montane, subalpine. Meadows. Summer.
Priest Lake, July 15, 2008.

The enlarged leaf ("macrophyllum") of the basal leaves sets this Geum apart.  Both Geums shown are very slender plants, often buried in meadow grasses and easily passed by, but the pictured plant at left sits out in an open meadow with many other Geum macrophyllum plants as lush as this one.

Geum macrophyllum
Rosaceae (Rose Family)

Montane, subalpine. Meadows. Summer.
Scotch Creek Road, July 1, 2004.

 

Geum aleppicum and Geum macrophyllum
Rosaceae (Rose Family)

Foothills, montane, subalpine. Meadows. Summer.
Haviland Lake Trail, July 1, 2005 and Turkey Creek Trail, June 26, 2007. 

The seed-head of Geums (and relatives such as Drymocallis), catch more attention than their yellow flowers.  Several hundred styles make up these swirly, prickly-looking, maturing seed heads.  The very fresh seed head of Geum aleppicum is at left; the slightly more mature Geum macrophyllum is at right.

Peering into G. macrophyllum we can see hundreds of dots -- tiny, glandular hairs -- along the lower portion of each style.  This same area is smooth (glabrous) on G. aleppicum.

Range map © John Kartesz,
Floristic Synthesis of North America

State Color Key

Species present in state and native
Species present in state and exotic
Species not present in state

County Color Key

Species present and not rare
Species present and rare
Species extirpated (historic)
Species extinct
Species noxious
Species exotic and present
Native species, but adventive in state
Eradicated
Questionable presence

Range map for Geum aleppicum

Range map for Geum macrophyllum