Potentilla norvegica (Rough Cinquefoil) - photos and description





General: Leafy annual with an erect to spreading growth habit. Stems hispid.

Flowers: Flowers yellow, in cymes, flower measured at 10 mm to 12 mm diameter (sepal tip to opposite sepal tip) the corolla measured 6 mm to 8 mm diameter, the sepals are longer than the petals. Sepals measured at 5 mm long, petals at 4 mm long.

Leaves: Leaves ternate, leaflets oblong to ovate, dentate, alternate, petiole with stipules. Middle leaflet longer than lateral leaflets. Leaflet measured at 2 cm long and 1 cm wide. We observed no basal leaves. Leaf bottoms and margins hispid, top of leaves sparingly hairy.

Height: Height is listed in Budd's Flora to 60 cm, we measured plants to 34 cm tall.

Habitat: Moist meadows and waste places.

Abundance: Common.

Origin: Native.

How to identify this species of Potentilla: Leaves ternate, and sepals > petals.

When and where photographed: Took the above photos July 10th disturbed area on edge of gravel pit, boreal forest, Meadow Lake Provincial Park, about 500 km northwest of Regina, SK, and July 29th in a shrub bed alongside walking path in city park, in our home of Regina, SK