Abstract

A population of Atriplex canescens (Pursh) Nutt. (fourwing saltbush), endemic to the Little Sahara Sand Dunes near Jericho, Utah, appears to be genetically distinct from all other forms of this species. It differs from other populations by many characters, including growth rate, seed size, and height (Figures 1, 2, 3 and 4). This is a report of a study which was made to investigate the differences between the sand dune and normal populations, and an attempt to determine the evolutionary processes involved in the formation of the sand dune population.

Degree

College and Department

Life Sciences; Plant and Wildlife Sciences

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