Sepals and petals 4 or 5, persistent after anthesis, sepals free, entire to gland fringed, petals entire or with apical glandular cilium.

• 萼片和花瓣4或5，花后宿存，萼片离生，全缘到具流苏状腺体，花瓣全缘或具顶端具腺纤毛。