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Open Access Prophyll, calyculus, and perianth in Santalales

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The concepts of prophyll and calyculus in Santalales are reviewed, and are found to be of variable taxonomic importance in different families. The calyculus in Loranthaceae has been generally interpreted as a reduced calyx, a concept recently challenged by Wanntorp & Ronse De Craene (2009), who concluded that it represents a fusion of prophylls. This view, as well as the accompanying biseriate corolla notion, is rejected. In Loranthaceae, prophylls associated with flowers have sometimes provided significant taxonomic features, while in Viscaceae this is true mostly in the vegetative portions of plants, especially in Arceuthobium, Dendrophthora and Phoradendron.

Keywords: BISERIATE COROLLA; CALYCULUS; PROPHYLL; SANTALALES

Document Type: Research Article

Publication date: 01 March 2013

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  • Blumea is an international journal on the biodiversity, evolution and biogeography of plants, including topics on systematics, floristics, phylogeny, morphology and anatomy. For floristic studies, the focus is on tropical Africa south of the Sahara, tropical Southeast Asia with a strong emphasis on Malesia, and South America with emphasis on the Guianas. Papers in Blumea are subjected to peer review and are in English. Blumea is published three times a year, comprising c. 300 pages in total.
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