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Article: Observations on ultraviolet-fluorescent trichomes on the tepals of narcissus flowers

TitleObservations on ultraviolet-fluorescent trichomes on the tepals of narcissus flowers
Authors
Issue Date1980
Citation
Plant Science Letters, 1980, v. 18 n. 2, p. 115-120 How to Cite?
AbstractWhen the flowers of Narcissus tazetta, which are white with an orange corona, were observed under ultraviolet light, the tip of each tepal showed blue fluorescence while the rest of the tepal absorbed ultraviolet light and appeared dark brown. In double flowers the tips of the perianth segments derived from stamens also showed a blue fluorescence. The fluorescence was found to be due to the presence of a tuft of trichomes at the subapical part of the tepals. The trichomes arise from a stalk-like cushion on the adaxial surface of the subapical part of the tepal. Each trichome is initiated as a protuberane from an epidermal cell which by cell division develops into a multicellular and uniseriate structure, consisting of a single row of 3-6 cylindrical cells. Most cells have a loose net-work of cuticular folds or ridges on their walls. The probable nature of the fluorescent compounds in the trichomes and the possible function of these trichomes as insect guides in pollination of the flowers of N. tazetta are discussed. © 1980.
Persistent Identifierhttp://hdl.handle.net/10722/151660
ISSN

 

DC FieldValueLanguage
dc.contributor.authorLam, THen_US
dc.contributor.authorHo, YBen_US
dc.contributor.authorChen, Sen_US
dc.date.accessioned2012-06-26T06:26:16Z-
dc.date.available2012-06-26T06:26:16Z-
dc.date.issued1980en_US
dc.identifier.citationPlant Science Letters, 1980, v. 18 n. 2, p. 115-120en_US
dc.identifier.issn0304-4211en_US
dc.identifier.urihttp://hdl.handle.net/10722/151660-
dc.description.abstractWhen the flowers of Narcissus tazetta, which are white with an orange corona, were observed under ultraviolet light, the tip of each tepal showed blue fluorescence while the rest of the tepal absorbed ultraviolet light and appeared dark brown. In double flowers the tips of the perianth segments derived from stamens also showed a blue fluorescence. The fluorescence was found to be due to the presence of a tuft of trichomes at the subapical part of the tepals. The trichomes arise from a stalk-like cushion on the adaxial surface of the subapical part of the tepal. Each trichome is initiated as a protuberane from an epidermal cell which by cell division develops into a multicellular and uniseriate structure, consisting of a single row of 3-6 cylindrical cells. Most cells have a loose net-work of cuticular folds or ridges on their walls. The probable nature of the fluorescent compounds in the trichomes and the possible function of these trichomes as insect guides in pollination of the flowers of N. tazetta are discussed. © 1980.en_US
dc.languageengen_US
dc.relation.ispartofPlant Science Lettersen_US
dc.titleObservations on ultraviolet-fluorescent trichomes on the tepals of narcissus flowersen_US
dc.typeArticleen_US
dc.identifier.emailLam, TH:hrmrlth@hkucc.hku.hken_US
dc.identifier.authorityLam, TH=rp00326en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-49149145897en_US
dc.identifier.volume18en_US
dc.identifier.issue2en_US
dc.identifier.spage115en_US
dc.identifier.epage120en_US
dc.identifier.scopusauthoridLam, TH=7202522876en_US
dc.identifier.scopusauthoridHo, YB=36838963500en_US
dc.identifier.scopusauthoridChen, S=24533394600en_US

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