collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud, which is usually green; the sepals, are pale green, narrowly ovate—"oval or egg-shaped"—and 2 to 3 times as long as they are wide, measuring at . they are pubescent, hairy outside and glabrous, smooth without hairs inside. the sepals are acuminate, tapering gradually to a sharp point at the tips of certain leaves or petals or sepals, at their apex.