(of stamens) united by the filaments into three sets or bundles.
Origin of triadelphous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for triadelphous
Historical Examples of triadelphous
Triadelphous, stamens united by their filaments into three bundles, 99.
Triadelphous (three brotherhoods), when the filaments are united in three sets or clusters, as in most species of Hypericum.