Relating to or containing cystenchyma; having the structure and characteristics of tissue with air-filled cavities.
From cystenchyma combined with the adjectival suffix -ous or -atous. This botanical term describes plants or plant parts that possess this specialized flotation tissue.
When botanists describe tissue as cystenchymatous, they're identifying one of nature's engineering solutions to the problem of living in water—by creating hollow spaces without losing structural strength, aquatic plants solved the buoyancy problem millions of years before humans invented foam.
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