J Integr Plant Biol. ›› 2004, Vol. 46 ›› Issue (2): 242-252.

• Research Articles • Previous Articles    

Structure, Delimitation, Nomenclature and Classification of Stomata



The paper reviews stomatal types observed in 500 species of angiosperms besides those described in the literature and deals with the problems of their structure, delimitation, nomenclature and classification. In view of the varied definitions available in the literature for subsidiaries, stomatal types and, the definition and delimitations being variously interpreted by different workers, a modified definition for the subsidiaries and stomata is presented. In accordance with the international code of nomenclature for plants, the names of the stomata widely in use are retained ( rule of priority ). They have been presently classified as pericytic, desmocytic, paracytic, diacytic, anisocytic, anisotricytic, isotricytic, tetracytic, staurocytic, anomocytic, cyclocytic and a good number of varieties under each type are presented. These stomatal types are recognised on the basis of their structure rather than its ontogenetic pathways.

Key words: classification, definition, plant stomata

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