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- Nectar_guide abstract "Nectar guides are markings or patterns seen in flowers of some angiosperm species, that guide pollinators to their rewards. Rewards commonly take the form of nectar, pollen, or both, but various plants produce oil, resins, scents, or waxes. Such patterns also are known as "pollen guides" and "honey guides", though some authorities argue for the abandonment of such terms in favour of floral guides (see for example Dinkel & Lunau). These patterns are sometimes visible to humans; for instance, the Dalmatian toadflax (Linaria genistifolia) has yellow flowers with orange nectar guides. However, in some plants, such as sunflowers, they are visible only when viewed in ultraviolet light. Under ultraviolet, the flowers have a darker center, where the nectaries are located, and often specific patterns upon the petals as well. This is believed to make the flowers more attractive to pollinators such as honey bees and other insects that can see ultraviolet. This page on butterflies shows an animated comparison of black-eyed Susan (Rudbeckia hirta) flowers in visible and UV light. The ultraviolet color, invisible to humans, has been referred to as bee violet, and mixtures of greenish (yellow) wavelengths (roughly 540 nm) with ultraviolet are called bee purple by analogy with purple in human vision.".
- Nectar_guide thumbnail Mimulus_nectar_guide_UV_VIS.jpg?width=300.
- Nectar_guide wikiPageExternalLink lidasf_info.pdf.
- Nectar_guide wikiPageExternalLink 17C.html.
- Nectar_guide wikiPageExternalLink www.ultravioletphotography.com.
- Nectar_guide wikiPageExternalLink lidasf_info.pdf.
- Nectar_guide wikiPageID "3579392".
- Nectar_guide wikiPageRevisionID "578575850".
- Nectar_guide hasPhotoCollection Nectar_guide.
- Nectar_guide subject Category:Pollination.
- Nectar_guide comment "Nectar guides are markings or patterns seen in flowers of some angiosperm species, that guide pollinators to their rewards. Rewards commonly take the form of nectar, pollen, or both, but various plants produce oil, resins, scents, or waxes. Such patterns also are known as "pollen guides" and "honey guides", though some authorities argue for the abandonment of such terms in favour of floral guides (see for example Dinkel & Lunau).".
- Nectar_guide label "Guide de nectar".
- Nectar_guide label "Guía de néctar".
- Nectar_guide label "Nectar guide".
- Nectar_guide label "Saftmal".
- Nectar_guide label "蜜源標記".
- Nectar_guide sameAs Saftmal.
- Nectar_guide sameAs Guía_de_néctar.
- Nectar_guide sameAs Guide_de_nectar.
- Nectar_guide sameAs m.09mtn7.
- Nectar_guide sameAs Q1642223.
- Nectar_guide sameAs Q1642223.
- Nectar_guide wasDerivedFrom Nectar_guide?oldid=578575850.
- Nectar_guide depiction Mimulus_nectar_guide_UV_VIS.jpg.
- Nectar_guide isPrimaryTopicOf Nectar_guide.
