Plant from a dry climate capable of conserving water for longer that other plants, due to structural adaptations like dense pubescence, thick epidermis and resin cover which delay transpiration. Certain mangrove plants are also xerophytes, because water absorption is hindered by excess of salt.
Perennial: Preserves the adult form for more than two years. Plant that can live an indefinite period. Perennials can be herbaceous or woody. (See also annual and biannual)
