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Plant Sciences

Old Dominion University

Theses/Dissertations

2014

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A Molecular Framework Phylogeny For Ptilotus (Amaranthaceae), Timothy A. Hammer Oct 2014

A Molecular Framework Phylogeny For Ptilotus (Amaranthaceae), Timothy A. Hammer

Biological Sciences Theses & Dissertations

Ptilotus (Amaranthaceae) is an Australian genus with over 100 species, most of which occur in arid Western Australia. Ptilotus has been a taxonomically difficult genus; despite rigorous morphological studies into the genus over many years, previous workers have found it difficult to delimit infrageneric groups due to inconsistent morphological variation. With the goal to establish a phylogenetic framework for the genus, 100 taxa were sampled, including 87 Ptilotus spp., and the ITS nrDNA and matK cpDNA were sequenced. The phylogeny was reconstructed using Bayesian, maximum likelihood and maximum parsimony analyses on separate and concatenated datasets. Morphological characters were assessed and …


The Ethnobotany Of Pistacia Eurycarpa Yalt. In Iraqi-Kurdistan: Its Uses, Chemical Composition, And Anti-Biotic Activity Of Its Resin, Peter W. Schafran Apr 2014

The Ethnobotany Of Pistacia Eurycarpa Yalt. In Iraqi-Kurdistan: Its Uses, Chemical Composition, And Anti-Biotic Activity Of Its Resin, Peter W. Schafran

Biological Sciences Theses & Dissertations

Pistacia eurycarpa Yalt. is a wild relative of pistachio (P. vera L.} that grows in the Zagros Mountains. For the Kurds who inhabit these mountains the tree has practical and cultural applications. All parts of this tree have a use, for structural materials, food, and medicine. While weII known in this region, the ethnobotany of P. eurycarpa is unknown in the outside world. I spent May and June of 2011 - 2013 in Sulaimani, Kurdistan, Iraq, collecting information on this tree. In this time period I was able to witness the harvest of unripe fruits. Information about the tree …