megasporangiateadj.
/ˌmɛɡəspəˈran(d)ʒɪət/, U.S. /ˌmɛɡəspəˈrændʒ(i)ət/ Botany.
Having or bearing only megasporangia.
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the world > plants > particular plants > moss > [adjective] > of or relating to types of
sphagnous1828
splachnoid1833
acrocarpous1842
hypnoid1852
lycopodiaceous1852
astomous1857
pleurocarpous1858
gymnostomous1861
sphagneous1861
syncladous1863
systylous1863
stegocarpous1884
systylious1887
trioperculate1900
megasporangiate1901
1901 Philos. Trans. (Royal Soc.) B. 194 294 For the present we will confine our attention to the megasporangiate cones.
1910 J. M. Coulter & C. J. Chamberlain Morphol. Gymnosperms i. 59 In megasporangiate structures, the Cycadofilices are far advanced.
1957 Proc. National Acad. Sci. U.S.A. 43 572 Both types of cones, microsporangiate and megasporangiate, develop from certain lateral short shoots during the second and subsequent years.
1996 Amer. Jrnl. Bot. 83 1083 A megasporangiate fructification has been discovered in..shales from Upper Pennsylvanian deposits.
This is a new entry (OED Third Edition, June 2001; most recently modified version published online March 2022).
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adj.1901