Potentilla erecta (L.) Raeusch.

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Potentilla erecta (syn. Tormentilla erecta, Potentilla laeta, Potentilla tormentilla, known as the (common) tormentil, septfoil or erect cinquefoil ) is a herbaceous perennial plant belonging to the rose family (Rosaceae).

Description

Potentilla erecta is a low, clump-forming plant with slender, procumbent to arcuately upright stalks, growing 10–30 centimetres (3.9–11.8 in) tall and with non-rooting runners. It grows wild predominantly in Europe and western Asia[1], mostly on acid soils and in a wide variety of habitats such as mountains, heaths, meadows, sandy soils and dunes.[3]

This plant flowers from May to August/September. There is one yellow, 7–11 millimetres (0.28–0.43 in) wide flower, growing at the tip of a long stalk. There are almost always four notched petals, each between 3 and 6 mm long. Four petals are rather uncommon in the rose family. The petals are somewhat longer than the sepals. There are 20–25 stamens.

The radical leaves have a long petiole, whilst the leaves on the flowering stalks are usually sessile or with short petioles. The glossy leaves are alternate, ternate, consisting of three obovate leaflets with serrated margins. The paired stipules are leaflike and palmately lobed.

There are 2–8 dry, inedible fruits.

Rhizome of Potentilla erecta

Distribution

Europe

Potentilla erecta is found wild throughout Europe, Scandinavia and West Asia.

Potentilla erecta is almost ubiquitous in the British Isles, recorded in almost all 10 km squares except close to the Wash. and is listed as a species of least concern. It is very common in grasslands, heaths, moors and mountains, bogs including roadsides and pastures, mostly on acidic soils but avoiding chalk. It is a component of British National Vegetation Classification community M25 (Molinia caerulea–Potentilla erecta mire).

Potentilla erecta - Wikipedia

 

 

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