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FNA | Family List | FNA Vol. 9 | Rosaceae | Potentilla

69a. Potentilla hyparctica Malte subsp. hyparctica

Potentille subarctique F

Plants: hairs common to dense. Stems 0.2–1.2 dm. Central leaflets obovate, petiolule 0–2 mm, base cuneate, teeth narrowly triangular to oblong, tooth apex subacute to obtuse. Inflorescences 1(–3)-flowered. Flowers: epicalyx bractlets narrowly to ± oblong or ovate, 1.5–2 mm wide; sepals: apex subacute to obtuse. 2n = 42.

Flowering late spring–summer. Polar deserts, moist tundra, meadows, boulder and gravel fields, rocky outcrops, talus, mainly acidic bedrock; 0–1500 m; Greenland; N.W.T., Nunavut, Que., Yukon; Alaska; Europe; Asia.


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