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|dc.identifier.citation||Australian Systematic Botany, 2013; 26(6):393-407||en|
|dc.description.abstract||We examined pollen of 19 genera of Hemerocallidaceae by using scanning electron microscopy (SEM), and one genus (Dianella) by using transmission electron microscopy (TEM). Pollen was generally small in size, with a rounded triangular outline when hydrated, and a characteristic three-armed aperture, a distal trichotomosulcus. The pollen surface was finely sculptured and the exine was thin. Microreticulate pollen is a potential synapomorphy for several species of the ‘crown phormioid’ subclade recognised in molecular analyses. Perforate and fossulate pollen supports a relationship between several species of Dianella. Microrugulate pollen is more frequent in the johnsonioids than in the phormioids. Hemerocallis is distinguished by elongated monosulcate pollen, a relatively thick exine with a pronounced reticulate surface, and large globules of attached pollenkitt. We hypothesise that Hemerocallidaceae are ancestrally buzz-pollinated, and their pollen morphology is an adaptation to this pollination type. A reversal to butterfly or moth pollination occurred in Hemerocallis, with associated changes in pollen morphology.||en|
|dc.description.statementofresponsibility||Carol A. Furness, John G. Conran, Thomas Gregory and Paula J. Rudall||en|
|dc.rights||© CSIRO 2014||en|
|dc.title||The trichotomosulcate asparagoids: pollen morphology of Hemerocallidaceae in relation to systematics and pollination biology||en|
|pubs.library.collection||Ecology, Evolution and Landscape Science publications||en|
|dc.identifier.orcid||Conran, J. [0000-0003-2268-2703]||en|
|Appears in Collections:||Ecology, Evolution and Landscape Science publications|
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