Polygonum hydropiper, L.
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https://doi.org/10.5281/zenodo.302862 |
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https://treatment.plazi.org/id/1213417E-FF8F-FF8D-C986-FB2C4043CEEB |
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Plazi |
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Polygonum hydropiper |
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23. P. hydropiper L. View in CoL , Sp. Pl. 361 (1753) View Cited Treatment .
A glabrous, acrid annual. Stems 20-80 cm, more or less erect. Ochreae fringed with a few short cilia. Leaves 5-12 x 1-2-5 cm, lanceolate, acute or acuminate, subsessile. Flowers in numerous very lax, slender, nodding spikes; a cleistogamous flower is also present in each leaf-axil. Perianth 3-5 mm, pink or greenish-white, covered with brownish glands. Nut c. 3 mm, punctulate, dull. 2« = 20. Damp places; calcifuge and somewhat nitrophile. Europe, except the north and some islands. All except Az BI Cr Fa Is Sa Sb.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Polygonum hydropiper
| Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964 |