Rahul Sharma (Editor)

Petasites frigidus

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Kingdom
  
Tribe
  
Senecioneae

Scientific name
  
Petasites frigidus

Rank
  
Species

Order
  
Genus
  
Petasites

Higher classification
  
Butterbur

Petasites frigidus Petasites frigidus northern sweetcoltsfoot Go Botany

Similar
  
Daisy family, Petasites spurius, Petasites fragrans, Petasites paradoxus, Trillium ovatum

Petasites frigidus, the Arctic sweet coltsfoot or Arctic butterbur, is a species of Petasites native to Arctic to cool temperate regions of the Northern Hemisphere in northern Europe, northern Asia and northern North America.

Petasites frigidus Coltsfoot Alpine Butterbur Arctic Butterbur Petasites frigidus

It is a herbaceous perennial plant producing flowering stems in early spring, and large leaves through the summer. The upright flowering stems are 10–20 cm tall, and bear only 5-12 inflorescences, yellowish-white to pink in colour. The leaves are rounded, 15–20 cm broad, with a deeply cleft base and shallowly lobed margin, and rise directly from the underground rootstock. The underside of the leaves is covered with matted, woolly fuzz. It grows in moist shaded ground, preferring stream banks and seeping ground of cut-banks.

Petasites frigidus Petasites frigidus Sweet Coltsfoot Minnesota Wildflowers

While there is some disagreement, some sources identify five varieties of P. frigidus:

  • Petasites frigidus var. frigidus
  • Petasites frigidus var. nivalis, sometimes referred to as P. nivalis or P. hyperboreus. This variety is common at subalpine and alpine elevations.
  • Petasites frigidus var. palmatus, sometimes referred to as P. palmatus, palmate coltsfoot, or western coltsfoot; mâl-ē-mē’ (Konkow language); or tä-tä-tē’; pē’-wē is the root.
  • Petasites frigidus var. sagittatus, arrowleaf sweet coltsfoot.
  • Petasites frigidus var. vitifolius

  • Petasites frigidus Petasites frigidus var palmatus Western Coltsfoot Flickr

    Uses

    Petasites frigidus Seattle Urban Landscape Petasites frigidus var palmatus

    The leaf stalks and flower stems (with flowers) are edible, and can be used as a vegetable dish. A salt-substitute can also be made by drying and then burning the leaves. This black, powdery substance will provide a salty taste.

    Petasites frigidus httpsuploadwikimediaorgwikipediacommonsthu

    Petasites frigidus Petasites frigidus coltsfoot Wildflowers of the Pacific Northwest

    Petasites frigidus Petasites frigidus var palmatus Alpine Butterbur Arctic

    References

    Petasites frigidus Wikipedia