Why juniper trees can live on less water

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Hardy junipers grow near cacti in New Mexicos Florida Mountains. Photo: Cynthia Willson
Hardy junipers grow near cacti in New Mexico's Florida Mountains. Photo: Cynthia Willson

An ability to avoid the plant equivalent of vapor lock and a favorable evolutionary history may explain the unusual drought resistance of junipers, some varieties of which are now spreading rapidly in water-starved regions of the western United States, a Duke University study has found.


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