Ericoid shrubs. Leaves linear with needle-like points. Flowers solitary (in ours). Sepals 5, usually subequal (but with the 2 inner distinctly larger in our species). Petals usually 3; two upper joined at the base to the keel. Keel-appendage 2-lobed, expanded and leaflike. Stamens 7. Ovary 2-locular. Capsule usually 4-horned (but horns absent in ours).