'Microsporangium' definitions:
Definition of 'microsporangium'
From: WordNet
noun
A plant structure that produces microspores
Definition of 'Microsporangium'
From: 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]