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Hornbeam (Carpinus)

Family:

birch (Betulaceae)

Flowering period:

March to May

Distribution:

central Europe as far as the Caucasus and the Black Sea, prefers semi-shade or shade, requires heat but is not sensitive to frost, in a sub-oceanic climate, in broad-leaved forests, and in central Europe grows well on foothills, hills and river floodplains

Appearance:

deciduous shrubs or trees, leaves alternate, ovate and pointed at the end, with doubly serrated leaf margins, male flowers arranged in drooping catkins, female flowers in pairs located in the axil of a bract, the fruit is a small, single-seeded nut

Allergenicity:

low, cross-allergenicity to pollen from birch, alder and hazel

Link zum Pollenatlas: Carpinus betulus

Wissenschaftlicher Beirat:
Ass. Prof. Dr. Siegfried Jäger (Medizinische Universität Wien)
Univ. Prof. Dr. Reinhart Jarisch (Floridsdorfer Allergie Zentrum)
Mag. Matthias Werchan (Charité Berlin)
Prof. Dr. med. Karl-Christian Bergmann (Charité Berlin)

Quellen:

Österreichischer Pollenwarndienst, Medizinische Universität Wien, Österreich
Charité, Allergie-Zentrum-Charité, Klinik für Dermatologie, Venerologie und Allergologie, Berlin, Deutschland
Wikipedia
www.alles-zur-allergologie.de
22 Jahre Blüh- und Fruktifikationsuntersuchungen der Waldbaumarten im Lehrforst Ofenbach/Rosalia. R. Litschauer. 2010. Bundesforschungs- und Ausbildungszentrum für Wald, Naturgefahren und Landschaft, BFW-Berichte 144, 36 pp.
Waldbau auf soziologisch-ökologischer Grundlage. H. Mayer 1977. Gustav Fischer Verlag, Stuttgart – New York, 482 pp.

Flowering catkins and leaf sprouts (Image rights: Helmut Zwander)
Flowering catkins and leaf sprouts (Image rights: Helmut Zwander)
Leaves (Image rights: Helmut Zwander)
Leaves (Image rights: Helmut Zwander)
Seed head (Image rights: Helmut Zwander)
Seed head (Image rights: Helmut Zwander)
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