Title: A typical flower of Brassicaceae. Photo by S. A. Mori.
Description: A flower of Allysimum saxatile based on an unvouchered plant from the Gargano Peninsula, Italy. There are four long and two short stamens. Note the emarginate, obcordate petals arranged in a cruciate or cross-like pattern.
Term:
Tetradynamous
Definition:
Having four long stamens and two short stamens; e.g., in Brassicaceae.