Small tree with smooth mottled trunk c. 5 m high. Shoots with short spines. Leaves glossy bright green above; petiole articulated and with obtriangular wing c. 2.5 cm across at apex, aromatic but not lemon-scented when bruised. Fruit c. 7 cm diameter, globular, skin finely rugulose, dull yellow. Flesh ± dull yellow, very acid to taste.