Bot. [mod.L., f. L. stāmin- STAMEN + mod.L. -ōdium (see -ODE).]
a. A sterile or abortive stamen, or an organ resembling an abortive stamen, without its anther.
1821. S. F. Gray, Brit. Plants, I. 158. Staminodium, appendages which appear to be abortive anthers.
1829. Clinton, trans. A. Richards Elem. Bot. (ed. 4), 297. In general, these stamina are replaced by appendages which have received the name of staminodia.
1847. W. E. Steele, Field Bot., 142. Staminodium roundish, entire.
1859. Mayne, Expos. Lex., Staminodium, Term by L. C. Richard for appendages of the gynostemium of the Orchideæ, which appear to be the rudiments of aborted stamens.
b. The antheridium of a cryptogam.
1848. A. Gray, Man. Bot., p. xxxvi. (Jackson).