Largeleaf Avens (Geum macrophyllum)

This mid height perennial plant starts blooming in the spring and continues all summer long. Very common along the trails at Silver Falls State Park.

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Geum macrophyllum

Larged-leaved avens

Description:

  • Erect, hairy. Basal leaves with long erect petioles, a more or less heart-shaped terminal leaflet many times larger than the variously sized small leaflets below;

  • stem leaves usually sessile, deeply lobed to 3 lobes.

  • Flowers 3–10 at top, with 5 nearly round yellow petals, many stamens.

  • Grows in streambanks, edges of woods, moist meadows, usually at low elevations, but can grow to subalpine.

  • Variation macrophyllum with the terminal leaflet of basal leaves shallowly lobed, all leaves finely toothed.

  • Variation perincisum grows east of Cascades, has terminal leaflet of basal leaf more deeply lobed.

  • Rarity: Common

  • Flowering Time: All of Spring And Summer

  • Life Cycle: Perennial

  • Height: 1 to 3 feet

  • Habitat: Meadow, West-Side Forest, East-Side Forest, Moist Riverbanks

  • Found In: Olympic Np, Mt. Rainier Np, N Cascades Np, Crater Lake Np, Wallowas, Steens, Siskiyous, West Gorge

  • Native: Yes

Source: Wildflowers of the Pacific Northwest

Additional resource: Oregon Flora Project