Betula Betula, Schrank
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https://doi.org/10.5281/zenodo.302862 |
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https://treatment.plazi.org/id/1213417E-FFB8-FFBA-C80A-F5C64734C47C |
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Plazi |
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Betula Betula |
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3. B. humilis Schrank View in CoL , Baier. FI. 1: 421 (1789).
Small much-branched shrub, rarely more than 2 m; twigs and leaves variably puberulent, sometimes subglabrous. Leaves 1 -3 x 0-5-2- 5 cm, ovate or ovate-orbicular, acute or subacute at apex, rather thick in texture; margin coarsely serrate or crenate. Fruiting catkin 8-15 mm, erect; scales with 3 subequal lobes, the two lateral ascending and often slightly shorter than the median lobe; wing of fruit narrow, as wide as nutlet. 2« = 28. Bogs and fens. C. & E. Europe, from N. Germany and N. Russia to N.E. Switzerland and C. Romania. Au Cz Ge He Po Rm Rs (N, B, C, W).
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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Betula Betula
| Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964 |
B. humilis
| Schrank 1789: 421 |