Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Asteraceae / Compositae ⟩ Petasites albus / white butterbur

Petasites albus (L.) Gaertn.

white butterbur (Asteraceae / Compositae)

 SpreadBias within British IslesDirection of bias
WidespreadStrong tendencyN
Plant Atlas 2020
BSBI Distribution Map

Petasites albus flowers before its leaves appear; the flowers are white.

Niederösterreich, Austria; 2005-04-15

 white butterbur / Petasites albus: _Petasites albus_ flowers before its leaves appear; the flowers are white.

Petasites albus is found scattered across the British Isles, but is most common in eastern Scotland.

Niederösterreich, Austria; 2006-04-12

 white butterbur / Petasites albus: _Petasites albus_ is found scattered across the British Isles, but is most common in eastern Scotland.

Inflorescences

Niederösterreich, Austria; 2006-04-22

 white butterbur / Petasites albus: Inflorescences

The fruits of Petasites albus are achenes with a white pappus.

Hautes-Pyrénées (65), France; 2015-05-26

 white butterbur / Petasites albus: The fruits of _Petasites albus_ are achenes with a white pappus.

All images copyright © Christopher J. Dixon unless otherwise indicated.

L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne