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Abstract Detail


The Greatest Opportunists of all: Celebrating 40 years of Job Kuijt’s

Kuijt, Job [1].

Styles and stamens of neotropical Loranthaceae: a survey and a sermon.

The diversity of styles and stamens is illustrated for neotropical Loranthaceae. There are a number of unusual structural modifications of styles, including elaborate convolutions in several genera, apparently of separate derivations. The lower stylar portion of a number of Psittacanthus species shows elaborate sculptural ridges, and in some small-flowered genera is greatly expanded. The significance of these modifications is unknown. Stamens (in contrast to paleotropical Loranthaceae) may be iso-, di-, or even trimorphic. Clusters of shiny red hairs in various, frequently unrelated Psittacanthus species have evolved in various positions within the flower; again, nothing is known about their function. Several genera have species with prominent connectival horns or show other features that are unique in the family. Special attention is given to the "Passovian anther" in some small-flowered genera and its variations. The suggestion is made that the structural diversity of neotropical Loranthaceae far exceeds that of paleotropical ones. Finally, an appeal is made for more structural exploration of parasitic plants in general.


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1 - University of Victoria, Department of Biology, Victoria, BC, V8W 3N5, Canada

Keywords:
none specified

Presentation Type: Symposium or Colloquium Presentation
Session: SY11
Location: Cottonwood A/Snowbird Center
Date: Wednesday, July 29th, 2009
Time: 1:00 PM
Number: SY11001
Abstract ID:946


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