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- aggregation classification "C3".
- aggregation creator B34988.
- aggregation creator B34989.
- aggregation creator person.
- aggregation date "2014".
- aggregation format "application/pdf".
- aggregation hasFormat 4245431.bibtex.
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- aggregation hasFormat 4245431.dc.
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- aggregation hasFormat 4245431.doc.
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- aggregation isPartOf urn:issn:0779-2387.
- aggregation language "eng".
- aggregation publisher "National Botanical Garden Belgium".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Biology and Life Sciences".
- aggregation title "Evolutionary trends in the floral development in the Cyperid clade (Thurniaceae, Juncaceae and Cyperaceae)".
- aggregation abstract "Within Poales, the cyperid clade consists of Thurniacae, Juncaceae and Cyperaceae. Cyperids essentially have wind pollinated actinomorphic, pentacyclic, trimerous, usually bisexual flowers with a superior gynoecium. In Cyperoideae (Cyperaceae), flowers are tetracyclic and reduction in number and form of the floral parts is common. Based on developmental and anatomical studies in a phylogenetic context, we aim to determine the developmental causes for the clade's floral diversity. In Thurniaceae, Juncaceae and basal Cyperoids, the perianth is well conserved with a tendency to reduce tepals into scales in Juncaceae and into bristles in Cyperoids. In Eriophorum, the perianth originates from an annular primordium. In the most derived Cyperoideae, the perianth is absent. In Prionium serratum, the gynoecium develops from a synascidium and in Luzula sylvatica from an annular primordium resulting from congenitally fused carpels. In Cyperaceae, an annular gynoecium wall primordium surrounds a central zone, from which the ovule develops. The floral vascular system develops from interconnecting procambial zones in both the receptacle and the floral primordia. In Cyperoideae, spikelets cause spatial constraints, reducing the number of tepals and stamens, especially abaxially. In the dense inflorescences of the giant genus Cyperus, or in the complex spikes of single-flowered spikelets of Cariceae, there is no space for a perianth. In Cariceae, the flower function is taken over by the inflorescence, resulting in far reduced unisexual flowers. In Eriophorum, the drastic reorganisaton of the development of the perianth allows to form pappus-like kind of perianth. In P. serratum and L. sylvatica, the development of ovule and stigma is linked to the carpels. In Cyperaceae, the loss of carpellary constraints in combination with the developmental flexibility of the vascular system explains the formation of dimerous gynoecia. The annular gynoecium wall primordium causes the decoupling of the developments of the gynoecium wall and ovule.".
- aggregation authorList BK88518.
- aggregation endPage "236".
- aggregation startPage "236".
- aggregation volume "52".
- aggregation aggregates 4245451.
- aggregation isDescribedBy 4245431.
- aggregation similarTo LU-4245431.