Shrub, up to 1 m tall. Leaves widely spaced, ± spathulate, up to 200 x 12 mm, ± coated with calcareous granules. Flowers in dense terminal spikes, calyx appearing 5-winged, transversely wrinkled, persistent, corolla funnel-shaped, red, pink, yellow or creamcoloured. Fruit a capsule, as long as calyx.