Sulphur Cinquefoil (Non Native Invasive Plant Species in Banff National Park)

Sulphur Cinquefoil

Potentilla recta

Summary ⁵

Potentilla recta, the sulphur cinquefoil or rough-fruited cinquefoil, is a species of cinquefoil. It is native to Eurasia but it is present in North America as an introduced species, ranging through almost the entire continent except the northernmost part of Canada and Alaska.

How to recognize it? ⁶

Palmate leaves resemble hands (divided into 5-7 hairy, toothed leaflets). 5 pale yellow, heart-shaped petals. Long, stiff hairs at right angles from the stem (unlike the natives whose hairs lie flat against the stem). Grow to 0.8 m (2.6 ft).

Native lookalike: Native cinquefoil has a silver or green color on the underside of the leaf, while invasive has a green underside.

Observations in Banff National Park ⁷

When are they blooming in Banff National Park? Mid-June at the earliest. Full bloom usually during the first half of August. Bloom/seeding continuing on until mid-September.

Fontes e Créditos

(c) Michael Ellis, alguns direitos reservados (CC BY), enviado por Michael Ellis
(c) Radio Tonreg, alguns direitos reservados (CC BY), http://commons.wikimedia.org/wiki/File:Potentilla_recta_(7157322663).jpg
(c) Randy A. Nonenmacher, alguns direitos reservados (CC BY-SA), http://commons.wikimedia.org/wiki/File:Potentilla_recta_2261.jpg
Johann Georg Sturm (Painter: Jacob Sturm), sem restrições de direitos de autor conhecidas (domínio público), http://commons.wikimedia.org/wiki/File:Potentilla_recta_Sturm32.jpg
Adaptado por bioblitzbanff de uma obra de (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Potentilla_recta
(c) bioblitzbanff, alguns direitos reservados (CC BY-SA)
(c) metallyza, alguns direitos reservados (CC BY-SA)

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