English

Adjective

leptosporangiate ‎(not comparable)

1. (botany) That has sporangia that were each formed from a single epidermal cell; of, pertaining to, or characteristic of leptosporangiate ferns.
   • 1900, Robert Wilson Smith, Structure and Development of Sporangia and Sporophylls of Isoetes, page 330,

     […] which being leptosporangiate cannot be closely related to Isoetes, the sporangia appear late in the history of the leaf.

   • 1908, Frederick Orpen Bower, The Origin of a Land Flora, page 639,

     In fact, it seems that in the Primary rocks the distinctive Leptosporangiate annulus was at least rare, if it existed at all.

   • 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,

     Most of his material, which includes a variety of leptosporangiate species, was obtained from greenhouses.

Coordinate terms

• eusporangiate

Derived terms

• leptosporangiate fern