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Published In: The Gardeners Dictionary...Abridged...fourth edition 3:. 1754. (28 Jan 1754) (Gard. Dict. Abr. (ed. 4)) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 10/11/2011)
Acceptance : Accepted
Project data     (Last Modified On 8/27/2015)
Area distribution:

About 150 species especially of northern hemisphere, many cosmopolitan.


    This genus has been separated from Polygonum, yet in several Floras it is still included in Polygonum as a special group (sect. Persicaria).

    Literature: Wilson K. L., Polygonum sensu lato in Australia, Telopea 3: 177-182 (1988). Wilson K. L., Some Widespread Species of Persicaria and their Alliens Kew Bull. 45, 5: 609-620 (1990).


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Annual or perennial herbs. Stems generally long creeping and rooting at the nodes. Leaves hairy, sometimes with glandular hairs to subglabrous, oblong-ovate or lanceolate, entire. Ochreae cylindrical, truncate or with terminal fringes or bristles. Flowers arranged in globose heads or spikes. Perianth 4-5 lobed, often coloured. Stamens 5-8, dilated at the base. Styles 2-3, often connate below. Achene lenticular, trigonous or biconvex.



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