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- Rostellum abstract "The rostellum is a projecting part of the column in Orchidaceae flowers, and separates the male stamen from the female gynoecium, commonly preventing self-fertilisation. In many orchids, such as Orchis mascula, the pollinia or pollen masses, are connected by stipes down to adhesive discs attached to the rostellum which forms cups keeping the discs or balls sticky.In Catasetum flowers the rostellum projects forward at each side as an \"antenna\", and the pollen masses are connected by a bent stalk or pedicel to a sticky disc kept moist at the back of the flower. When an insect touches an \"antenna\", this releases the bent pedicel which springs straight and fires the pollinium, sticky disc first, at the insect. Charles Darwin described in Fertilisation of Orchids how he \"touched the antennæ of C. callosum whilst holding the flower at about a yard's distance from the window, and the pollinium hit the pane of glass, and adhered to the smooth vertical surface by its adhesive disc.\"".
- Rostellum thumbnail Fertilisation_of_Orchids_figure_1X.jpg?width=300.
- Rostellum wikiPageExternalLink frameset?viewtype=text&itemID=F1718&pageseq=1.
- Rostellum wikiPageExternalLink frameset?viewtype=text&itemID=F800&pageseq=1.
- Rostellum wikiPageID "23957495".
- Rostellum wikiPageLength "3301".
- Rostellum wikiPageOutDegree "15".
- Rostellum wikiPageRevisionID "591716712".
- Rostellum wikiPageWikiLink Catasetum.
- Rostellum wikiPageWikiLink Category:Orchid_morphology.
- Rostellum wikiPageWikiLink Charles_Darwin.
- Rostellum wikiPageWikiLink Column_(botany).
- Rostellum wikiPageWikiLink Fertilisation_of_Orchids.
- Rostellum wikiPageWikiLink Gynoecium.
- Rostellum wikiPageWikiLink Orchidaceae.
- Rostellum wikiPageWikiLink Orchis_mascula.
- Rostellum wikiPageWikiLink Pedicel_(botany).
- Rostellum wikiPageWikiLink Pollinium.
- Rostellum wikiPageWikiLink Stamen.
- Rostellum wikiPageWikiLink Stipe_(botany).
- Rostellum wikiPageWikiLink File:Fertilisation_of_Orchids_figure_1X.jpg.
- Rostellum wikiPageWikiLink File:Fertilisation_of_Orchids_figure_28.jpg.
- Rostellum wikiPageWikiLinkText "beak".
- Rostellum wikiPageWikiLinkText "rostellum".
- Rostellum wikiPageUsesTemplate Template:Citation.
- Rostellum wikiPageUsesTemplate Template:Reflist.
- Rostellum subject Category:Orchid_morphology.
- Rostellum hypernym Part.
- Rostellum comment "The rostellum is a projecting part of the column in Orchidaceae flowers, and separates the male stamen from the female gynoecium, commonly preventing self-fertilisation.".
- Rostellum label "Rostellum".
- Rostellum sameAs Q2167833.
- Rostellum sameAs Rostellum.
- Rostellum sameAs Rostellum_(botanique).
- Rostellum sameAs m.076zb56.
- Rostellum sameAs Q2167833.
- Rostellum wasDerivedFrom Rostellum?oldid=591716712.
- Rostellum depiction Fertilisation_of_Orchids_figure_1X.jpg.
- Rostellum isPrimaryTopicOf Rostellum.