Pollenatlas

Dieser POLLENATLAS enthält derzeit bereits über 90 verschiedene Pollentafeln mit Bildern und Beschreibungen der Pollen, die öfters in Luftproben anzutreffen sind.

Autorenschaft: Der Pollenatlas wurde von Edith Bucher und Veronika Kofler (Biologisches Labor der Landesagentur für Umwelt, Bozen) erstellt, ausgearbeitet und zur Verfügung gestellt.

  • Olea europaea

    pollen in optical section (1)
    pollen in optical section (1)
    exine sculpture, apertures (1)
    exine sculpture, apertures (1)
    pollen in optical section (2)
    pollen in optical section (2)
    exine sculpture, apertures (2)
    exine sculpture, apertures (2)

    species: Olea europaea (Olive)
    plant family: Oleaceae
    at aerobiological analyses usually achieved determination level: Olea, Oleaceae

    photos: Landesagentur für Umwelt, Bozen (Italy)

    description:
    outline:
    globular or rounded triangular in polar view, in equatorial view globular to elliptical.
    size: polar axis: 20.1 (18.8-21.8) µm, equatorial axis: 21.5 (20.8-22.7) µm.
    apertures: tri-zono-colporate with narrow, comparatively short colpi and lolongate, barely visible pori.
    pollen wall: Exine about 1-1.5 µm thick, reticulate. Reticulum in top view wide, muri appear dotted in lines (like a cord of pearls). Towards the apertures, the meshes of the reticulum become narrower and the exine becomes thinner. Intine with distinct onci, about 4 µm wide.
    note: similar pollen: Fraxinus ornus

    remarks to the plant:
    All over the Mediterranean, Olive tree is a very common species with numerous varieties, mostly cultivated but also spontaneous. Its value for man is mainly the olive oil and the olive fruits. The tree is evergreen and has long-elliptical or lancet shaped leaves, greenish-grey on the upper side, silvery on the leaf’s bottom side. Flowers appear in white, strong fragranced upright panicles from (April) May to June.


  • Ostrya carpinifolia

    pollen in optical section (1)
    pollen in optical section (1)
    exine sculpture and apertures (1)
    exine sculpture and apertures (1)
    pollen in optical section (2)
    pollen in optical section (2)
    exine sculpture and apertures (2)
    exine sculpture and apertures (2)

    species: Ostrya carpinifolia (Hop Hornbeam)
    plant family: Corylaceae
    at aerobiological analyses usually achieved determination level: Ostrya, Corylaceae

    photos: Landesagentur für Umwelt, Bozen (Italy)

    description:
    outline:
    circular in polar view, circulate-ovate in equatorial view
    size: polar axis: 24.3 (23-25) µm, equatorial axis 27.5 (26-29) µm
    apertures: triporate, seldom tetraporate pollen with protruding pori. Pori with a small, inconspicuous operculum.
    pollen wall: thin, scabrate exine, thin intine with convex, about 4-6 µm wide onci.
    additional remarks: granular cytoplasma
    note: Carpinus and Corylus have very similar pollen

    remarks to the plant:
    Hop-beam is an element of southern Europe and the south rim of the Alps. It adapts quite well to dry, warm stands in scrubs and deciduous woods. The pollen production of this anemophilous shrub or tree can be remarkably high in March and April. Male catkins open simultaneous with leaf unfolding. Female catkins are shorter and develop hop-like fruit when ripe.


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