Xeromorphic

Xeromorphic [ Botany - Ecology ]

Dictionary of botanic terminology - index of names


	Having special features which protect the plant from desiccation allowing them to survive with a small amount of water in a dry habitats.

Refers to specialized structural adaptations and features of plants adapted to live in dry habitats (xerophytes) Xeroromorphic features Include: Reduced surface to volume ratio: rounded leaves, scale leaves Thick cuticle, thick cell walls Hairs Sunken stomata CAM metabolism (open stomata at night, fix CO2 (+ PEP) into malic acid, decarboxylate in the day while stomata are closed Succulence = parenchyma with large vacuoles filled with dilute or mucilaginous sap. Morphological adaptations include woody stem succulents and primary stem succulents Spines

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