Adnation: Difference between revisions
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[[File:Nepenthesadnata1.jpg|thumb|The tropical [[pitcher plant]] ''[[Nepenthes adnata]]'' is named for its adnate leaf bases]] |
[[File:Nepenthesadnata1.jpg|thumb|The tropical [[pitcher plant]] ''[[Nepenthes adnata]]'' is named for its adnate leaf bases]] |
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'''Adnation''' in [[plant]]s is the "union of unlike parts; organically united or fused with another dissimilar part, e.g. an [[ovary]] to a [[calyx tube]], or [[stamen]]s to [[petal]]s"<ref>{{cite book| title=A Dictionary of Botany |page=9| editor1-last=Little | editor1-first=R. John | editor2-last=Jones |editor2-first=C. Eugene | publisher= Van Nostrand Reinhold Company| location=New York | year=1980 |ISBN=0442241690}}</ref>. This is in contrast to [[connation]], the fusion of similar organs<ref>{{cite book| title=A Dictionary of Botany |page=91| editor1-last=Little | editor1-first=R. John | editor2-last=Jones |editor2-first=C. Eugene | publisher= Van Nostrand Reinhold Company| location=New York | year=1980 |ISBN=0442241690}}</ref><ref name="Jackson">{{cite book|page=89|title=A Glossary of Botanic Terms with their Derivation and Accent|last=Jackson|first=Benjamin Daydon|edition=fourth|publisher=Gerald Duckworth & Co. Ltd.|location=London|year=1928|url=http://www.archive.org/details/glossaryofbotani1928jack}}</ref>. |
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'''Adnation''' in [[plant]]s is the developmental fusion of different organs, for example, a [[leaf]] to a [[plant stem|stem]], or the filament of a [[stamen]] to a [[corolla (flower)|corolla]]. This is in contrast to [[connation]], the fusion of similar organs. |
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[[File:Primula vulgaris ENBLA06 2.jpg|thumb|left|The stamens of ''[[Primula vulgaris]]'' are adnate to the corolla]] |
[[File:Primula vulgaris ENBLA06 2.jpg|thumb|left|The stamens of ''[[Primula vulgaris]]'' are adnate to the corolla]] |
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==References== |
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Revision as of 17:52, 16 January 2010
Adnation in plants is the "union of unlike parts; organically united or fused with another dissimilar part, e.g. an ovary to a calyx tube, or stamens to petals"[1]. This is in contrast to connation, the fusion of similar organs[2][3].
References
- ^ Little, R. John; Jones, C. Eugene, eds. (1980). A Dictionary of Botany. New York: Van Nostrand Reinhold Company. p. 9. ISBN 0442241690.
- ^ Little, R. John; Jones, C. Eugene, eds. (1980). A Dictionary of Botany. New York: Van Nostrand Reinhold Company. p. 91. ISBN 0442241690.
- ^ Jackson, Benjamin Daydon (1928). A Glossary of Botanic Terms with their Derivation and Accent (fourth ed.). London: Gerald Duckworth & Co. Ltd. p. 89.
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