Campanula rotundifolia (Campanulaceae) - Pollination durch Apis mellifica (Hymenoptera); Melittophilie

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Formal Metadata

Title
Campanula rotundifolia (Campanulaceae) - Pollination durch Apis mellifica (Hymenoptera); Melittophilie
Alternative Title
Campanula rotundifolia (Campanulaceae) - Pollination by Apis mellifica (Hymenoptera); Melittophily
Contributors
License
CC Attribution - NonCommercial - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal and non-commercial purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF Signature
E 2049
Publisher
Release Date
1975
Language
Silent film
Producer
FWU
Production Year
1971

Technical Metadata

IWF Technical Data
Film, 16 mm, 31 m ; F, 3 min

Content Metadata

Subject Area
Abstract
Rundblättrige Glockenblume; Honigbiene. Die melittophilen (bienenblütigen) Pflanzen werden von hummel- bis kleinbienengroßen Hymenopteren bestäubt. Honigbienen saugen Nektar aus der Saftkammer der Glockenblumen. Dabei berühren sie ventral den zunächst als Pollenträger, im späteren Stadium als Empfängnisorgan dienenden Endabschnitt des Griffels.
Structure and pollination of a bell-shaped bee-flower are shown by the example of the Harebell, Campanula rotundifolia. The visitors - honey-bees - suck nectar from the protected epigynous chamber on the flower bottom. Hereby they touch ventrally the style which is immature at the first stage of the protandrous flower, serving as a pollen discharger; during the female stage the stigma is exposed in the same position. The process of development of both phases is presented by quick-motion pictures.
Keywords Biene / Honigbiene Honigbiene Apis mellifera Rundblättrige Glockenblume Glockenblume, Rundblättrige Campanula rotundifolia Blütenbestäubung Bestäubung Pollination Melittophilie melittophily pollination Campanula rotundifolia bluebell harebell Apis mellifera honey bee European honey bee

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