Leslie R. Landrum
Encyclopedia
Leslie Roger Landrum is an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 botanist
Botany
Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...

, currently serving as Senior Research Scientist at Arizona State University
Arizona State University
Arizona State University is a public research university located in the Phoenix Metropolitan Area of the State of Arizona...

 School of Life Sciences, and curator of the ASU Vascular Plant Herbarium. He attained M.S. and Ph.D. degrees from the University of Michigan
University of Michigan
The University of Michigan is a public research university located in Ann Arbor, Michigan in the United States. It is the state's oldest university and the flagship campus of the University of Michigan...

, and has been at Arizona State University since 1986.

From 1969 to 1973, he worked with the Peace Corps
Peace Corps
The Peace Corps is an American volunteer program run by the United States Government, as well as a government agency of the same name. The mission of the Peace Corps includes three goals: providing technical assistance, helping people outside the United States to understand US culture, and helping...

 at the Forestry School of the University of Chile, where he gained an interest in the flora of South America, particularly the myrtle family (Myrtaceae
Myrtaceae
The Myrtaceae or Myrtle family are a family of dicotyledon plants, placed within the order Myrtales. Myrtle, clove, guava, feijoa, allspice, and eucalyptus belong here. All species are woody, with essential oils, and flower parts in multiples of four or five...

). Since then, he has published descriptions of new genera and species within the South American Myrtaceae, devoting particular study to the genus Psidium (which includes the commercially important guava
Guava
Guavas are plants in the myrtle family genus Psidium , which contains about 100 species of tropical shrubs and small trees. They are native to Mexico, Central America, and northern South America...

).

Other concentrations include the Chilean species of the widespread genus Berberis
Berberis
Berberis , the barberries or pepperidge bushes, is a genus of about 450-500 species of deciduous and evergreen shrubs from 1-5 m tall with thorny shoots, native to the temperate and subtropical regions of Europe, Asia, Africa, North America and South America. They are closely related to the genus...

, the usage of computer models in evaluating methods of phylogenetic analysis, and serving on a committee of botanists (including D.J. Pinkava
Donald John Pinkava
Dr Donald John Pinkava is a botanist, specialising in cacti and succulents, and he is the discoverer of some of their varieties. He is Professor Emeritus at Arizona State University .-External links:* * * *...

) working on a new manual of the vascular plants of Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

 to replace the aging Arizona Flora by Kearney and Peebles (last updated in 1960).

He is currently on the editorial board of the Journal of The Arizona-Nevada Academy of Science http://www.geo.arizona.edu/anas/janas.html, and since 2005, he has been the editor of Canotia: A New Journal of Arizona Botany http://lifesciences.asu.edu/herbarium/canotia.html.

Landum is one of the original scientists to participate in the Ask A Biologist
Ask A Biologist
Ask A Biologist is a science outreach program originating from Arizona State University's School of Life Sciences.-About the program:Ask A Biologist is a pre-kindergarten through high school program dedicated to answering questions from students, their teachers, and parents...

program and the subject of the "Smashing Success" article detailing his work with ASU Vascular Plant Herbarium.

External links

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