n. plTriandria(Bot) A Linnæan class of plants having three distinct and equal stamens.
Century Dictionary and Cyclopedia
triandriaThe third class of plants in the sexual system of Linnæus. It comprises those plants which have hermaphrodite flowers with three distinct and equal stamens, as the crocus, the valerian, and almost all the grasses. It comprehends three orders, Monogynia, Digynia, and Trigynia. Triandria is also the name of several orders in other classes of the Linnean system, the plants of which orders have three stamens.
Chambers's Twentieth Century Dictionary
nTriandriatrī-an′dri-a an order of plants having three equal stamens