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- W4231878320 abstract "This paper describes the pollinators, scent and nectar composition of the edelweiss (Leontopodium alpinum). In contrast to former statements in the literature, the flowers of this famous plant are frequently visited by various insects in 29 familieS. However, in the two populations of L. Alpinum investigated here, flies (Muscidae) were the most frequent visitorS. Although the investigated insects carried pollen grains all over their bodies and qualify as mess and soil pollinators, pollen grains were not randomly distributed on the bodies of the insects but were most concentrated on their legs. Their loads of L. Alpinum pollen varied greatly, but more than 60% of all Leontopodium pollen grains found on the insects were carried by only 12% of the specimens collected, suggesting that a small fraction of the visitors is responsible for most of the pollen transfer. The number of pollen grains found on the insects also increased significantly with increasing body size of the insects. The scent of the flowers is sweet and honey-like (phenylethyl alcohol and phenylacetic acid) but also contains disagreeably smelling, sweat-like components (3-methyl-2-pentenoic acids, butyric acid and other fatty acids). Nectar is secreted in minute amounts in the tiny florets of the flower heads. The sugar composition of the nectar is dominated by the hexoses fructose and glucose. It also contains a high amino acid concentration with many different amino acidS. Nectar, scent and the shape of the flowers of L. Alpinum all fit the syndrome of fly pollination." @default.
- W4231878320 created "2022-05-12" @default.
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- W4231878320 date "1993-02-01" @default.
- W4231878320 modified "2023-10-18" @default.
- W4231878320 title "Pollination of the edelweiss, Leontopodium alpinum" @default.
- W4231878320 doi "https://doi.org/10.1006/bojl.1993.1016" @default.
- W4231878320 hasPublicationYear "1993" @default.
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