Species
Petasites pyrenaicus (Winter heliotrope)
Petasites pyrenaicus. Photo: (c) Andy Phillips, some rights reserved (CC BY-ND)
Petasites is a genus of flowering plants in the sunflower family, Asteraceae, that are commonly referred to as butterburs and coltsfoots. They are perennial plants with thick, creeping underground rhizomes and large rhubarb-like leaves during the growing season.
Sightings
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