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Search | PLANT LIFE SPANSPLANT LIFE SPANSThe longestlived organisms are plants. For example, one bristlecone pine tree in eastern California is forty-nine hundred years old, and some creosote bushes, also in California, are estimated to be about twelve thousand years old. People have long recognized this variation in plant longevity, but the understanding of plant life spans improved greatly after research during the 1960’s. Types of Life Spans The life span of an individual plant depends upon two factors. Continue of the article: Types of Life Spans Monocarpic Plants Monocarpic plants have a general life history that involves four separate stages: germination, vegetative growth, reproduction, and death. Continue of the article: Monocarpic Plants Polycarpic and Paucicarpic Plants Paucicarpic and polycarpic plants normally reproduce more than once before they die. Continue of the article: Polycarpic and Paucicarpic Plants Potential and Real Life Spans There have not been many studies of the longevity of most polycarpic plant species. Continue of the article: Potential and Real Life Spans Share in: |
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