\Sta*pe"li*a\, n. [NL. So named after John Bod[ae]us a Stapel, a physician of Amsterdam.] (Bot.) An extensive and curious genus of African plants of the natural order {Asclepiadace[ae]} (Milkweed family). They are succulent plants without leaves, frequently covered with dark tubercles giving them a very grotesque appearance. The odor of the blossoms is like that of carrion.