‖ Diandria Bot.
(daɪˈændrɪə)
[mod.L. (Linnæus, 1735), f. Gr. type *δίανδρος, mod.L. diandrus, δι- twice, + ἀνδρ-, stem of ἀνήρ man, male: see Monandria, Polyandria.]
The second class in the sexual system of Linnæus, comprising all plants having two stamens.
| 1753 Chambers Cycl. Supp. s.v. Diandria..of this class of plants are the jessamine, phillerea, olive, rosemary, etc. |
Hence diˈandrian a., of or pertaining to the class Diandria.
| 1828 in Webster. |