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AMPHIBIOUS BISTORT Persicaria amphibia (Polygonaceae) Height to 40cm. Perennial of ponds and nearby dry land. Aquatic form has floating stems. FLOWERS are pink; borne in cylindrical spikes (Jun-Sep). FRUITS are nut-like. LEAVES are narrow; aquatic forms are hairless, truncate at the base and long-stalked; terrestrial forms are downy, rounded at the base and short-stalked.
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104158
AMPHIBIOUS BISTORT Persicaria amphibia (Polygonaceae) Height to 40cm. Perennial of ponds and nearby dry land. Aquatic form has floating stems. FLOWERS are pink; borne in cylindrical spikes (Jun-Sep). FRUITS are nut-like. LEAVES are narrow; aquatic forms are hairless, truncate at the base and long-stalked; terrestrial forms are downy, rounded at the base and short-stalked.

Filename: 104158.jpg
Size: 3543x2576 / 6.8MB
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Date: 1 Jul 2013
Location:
Credit: PAUL STERRY/NPL
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Model Release: No
Property Release: No
Restrictions: Nature Photographers Ltd., West Wit, New Road, Little London, Tadley, Hampshire, RG26 5EU. Tel: +44(0)1256 850661 web: www.naturephotographers.co.uk
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