eusporangiate

1. (botany) That has sporangia that were each formed from several epidermal cells; of, pertaining to, or characteristic of ferns of this kind.Examples: "Bailey and Pain (1971) examined the walls of a wide range of species of ferns (both leptosporangiate and eusporangiate) and divided the species into three groups depending on whether their walls contained low (0-3%), medium or high (>10%) concentrations of mannose."; "In the smaller of the two groups, known as the eusporangiate type, the sporangium originates from several initial cells."; "Describe structure and development of leptosporangiate and eusporangiate sporangia. Draw diagrams."not-comparable