Definitions for "Rugulate"
Sculpturing elements elongated sideways, with the length twice the breadth. Elements very irregularly distributed.
(adj.) ( Iversen and Troels-Smith, 1950) Describing a type of ornamentation consisting of elongated sexine elements more than 1µm long, arranged in an irregular pattern that is intermediate between striate and reticulate. Examples: Sedum (Crassulaceae), Ulmus (Ulmaceae), Camptotriletes corrugatus. Rupate (adj.) (sing. rupus, pl. rupi) ( Erdtman, 1952) Synonym of loxoaperturate.
Sculpture type of pollen and spores consisting of wrinkle-like ridges that irregularly anastomose.