Flowers yellow, orange or rarely white or red. Plants prostrate to decumbent, trailing and frequently rooting at nodes. Prostrate to decumbent shrublet with slender branches, often rooting at nodes, flowering branches to 15 cm long. Leaves erect, compressed, bluntly keeled, acute, rough, to 17 mm long, slender. Flowers solitary, yellow to orange, ±30 mm diam.