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Pictorial guide to the flora of the British Isles
Petasites japonicus (Siebold & Zucc.) Maxim. |
Spread | Bias within British Isles | Direction of bias | Restricted | Slight tendency | SE |
BSBI Distribution Map |
Petasites japonicus is rightly named the giant butterbur; its leaves can reach several feet across.
Tidmarsh (VC22: Berkshire); 2015-08-03 |
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The inflorescences of Petasites japonicus appear before the basal leaves, with several broad, untoothed bracts at their base.
Oxford (VC23: Oxfordshire); 2016-01-15 |
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All images copyright © Christopher J. Dixon unless otherwise indicated.
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