STILBE, in botany; a genus of plants belonging to the class of polycarpia, and order of dicaria. The exterior calyx of the hermaphrodite flower is triphyllous; the interior is quinquedentate and cartilaginous. The corolla is funnel-shaped and quinquelobed. There are four stamens; and there is one seed in the interior calyx calyptrate. The female flower is similar, has no interior calyx nor fruit. There are three species, the pinastrea, ericoides, and cornua, all foreign plants.