Poplar: Pollenwarndienst

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Poplar (Populus)

Family:

willow (Salicaceae)

Flowering period:

February to April

Distribution:

native to North America and Eurasia, grows on river banks and in woods

Appearance:

deciduous trees or shrubs, dioecious, leaves are triangular, heart-shaped or uniform, the leaf margin is smooth or lobed, long leaf stalk, flowers are stalked, drooping catkins, with male and female flowers resembling one another, the fruit is a capsule containing flying seeds that are scattered by the wind

Allergenicity:

low, the frequently conjectured poplar pollen allergy is assumed as a result of observation of the flying poplar “cotton”, but this consists only of the seed filaments of the fruit and does not in itself trigger any allergy, it usually occurs at the time when grass pollen is in the ai

Link zum Pollenatlas: Populus sp.

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.

Male flowers (Image rights: Katharina Bastl)
Male flowers (Image rights: Katharina Bastl)
Female flowers (Image rights: Katharina Bastl)
Female flowers (Image rights: Katharina Bastl)
Leaves (Image rights: Katharina Bastl)
Leaves (Image rights: Katharina Bastl)
Seeds and their filaments, forming the white poplar cotton (Image rights: Katharina Bastl)
Seeds and their filaments, forming the white poplar cotton (Image rights: Katharina Bastl)
Branches with poplar cotton (Image rights: Katharina Bastl)
Branches with poplar cotton (Image rights: Katharina Bastl)
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