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Dictionary

Words, grammatical forms and meanings linked to the ontology.

leptosporangiate en · ADJ

Etymology

From lepto- + sporangiate.

Meanings

  1. (not-comparable) Having sporangia that were each formed from a single epidermal cell; of, pertaining to, or characteristic of ferns of this kind.
    • […]which being leptosporangiate cannot be closely related to Isoetes, the sporangia appear late in the history of the leaf. 1900, Robert Wilson Smith, Structure and Development of Sporangia and Sporophylls of Isoetes, page 330:
    • Most of his material, which includes a variety of leptosporangiate species, was obtained from greenhouses. 1922, John Merle Coulter, Sir Humphry Davy, M.S. Coulter, The Collected Works of Sir Humphry Davy: Discourses Delivered before the Royal Society: Elements of Agricultural Chemistry, Part 1, page 264:
    • In fact, it seems that in the Primary rocks the distinctive Leptosporangiate annulus was at least rare, if it existed at all. 1908, Frederick Orpen Bower, The Origin of a Land Flora, page 639: