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The Collaborative International Dictionary
Staminodia

Staminodium \Stam`i*no"di*um\ (-n[=o]"d[i^]*[u^]m), n.; pl. Staminodia (-[.a]). [NL. See Stamen, and -oid.] (Bot.) An abortive stamen, or any organ modified from an abortive stamen.

WordNet
staminodia