icosandria

Updated: February 24, 2026

XII. TWENTY MALES, Icosandria. XIII. MANY MALES, Polyandria. In the next two Classes, not only the number of stamens are to be observed, but the reciprocal proportions in respect to height. XIV. TWO POWERS, Didynamia. XV. FOUR POWERS, Tetradynamia.

Erasmus Darwin - The Botanic Garden. Part II.: Containing the Loves of the Plants. a Poem.: With Philosophical Notes.