tetrasporangium


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tet·ra·spo·ran·gi·um

 (tĕt′rə-spə-răn′jē-əm)
n. pl. tet·ra·spo·ran·gi·a (-jē-ə)
A unicellular sporangium found in certain red algae in which four tetraspores are produced through meiosis.

tetrasporangium

(ˌtɛtrəspəˈrændʒɪəm)
n
(Botany) a sporangium having four asexual spores
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tetrasporangium - a sporangium containing four asexual spores
sporangium, spore case, spore sac - organ containing or producing spores
References in periodicals archive ?
Saenger & Wollaston (1982), however, found slightly elongate terminal cells in the type specimen of the taxon and stated that "in the limited material available, no more than one tetrasporangium has been observed on each fertile whorl-branchlet" (page 81) suggesting that they had limited access to tetrasporic material of the species, and they could not dismiss a priori the presence of several tetrasporangia per whorl.
Usually one, rarely two, tetrasporangium per node, tetrahedrally divided, 30-45 [micro]m in diam.