Plant ID forum→What species is this? (Binomial name please)

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New-Brunswick, Canada
May 23, 2018 10:45 AM CST
Is this a Giant Butterbur (Petasites japonicus)? (It was bought somewhere, not native)
Thumb of 2018-05-23/NightCrow/93e069

Perthshire. SCOTLAND. UK
Region: United Kingdom Garden Photography Plant Identifier
May 23, 2018 2:11 PM CST
Yes it is..... Petasites japonica gigantea......common name inc Giant butterbur, Giant Japanese Coltsfoot etc

Thumb of 2018-05-23/Silversurfer/a8e1b7

[Last edited by Silversurfer - May 23, 2018 2:16 PM (+)]
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Name: Sue
Ontario, Canada (Zone 4a)
Daylilies Birds Enjoys or suffers cold winters Native Plants and Wildflowers Butterflies Annuals
Region: Canadian Keeps Horses Dog Lover Plant Identifier Garden Sages
May 23, 2018 2:29 PM CST
Under the botanical code of nomenclature we're not to use trinomial names any more so, according to the Catalogue of LIfe and if that's the plant, it should be Petasites japonicus subsp. giganteus.
Name: Lin Vosbury
Sebastian, Florida (Zone 10a)

Region: United States of America Deer Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database!
Garden Procrastinator Birds Butterflies Bee Lover Hummingbirder Container Gardener
May 23, 2018 3:30 PM CST
I agree, Giant Japanese Butterbur (Petasites japonicus subsp. giganteus)

There's a pretty variegated leaf variety too: Giant Japanese Butterbur (Petasites japonicus subsp. giganteus 'Nishiki-buki')
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