Microsporangium

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Microsporangium \Mi`cro*spo*ran"gi*um\, n. [NL. See {Micro-},
     and {Sporangium}.] (Bot.)
     A sporangium or conceptacle containing only very minute
     spores. Cf. {Macrosporangium}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  microsporangium
       n : a plant structure that produces microspores
       [also: {microsporangia} (pl)]