VicFlora: Key to the species of Cistus

1Plants greyish green; flowers pink; style 3–4 mm longCistus creticus

1Plants green; flowers white; style c. 0.5 mm long2

2Plants somewhat resinous; leaves narrow (length to width radio >5); inflorescence scorpioidCistus monspeliensis

2Plants not resinous; leaves relatively broad (length to width ratio <4); flowers solitary or regularly cymose3

3Leaves sessile or petiolate; flowers to c. 3 cm diam., on long stalks (> 5 cm long)Cistus salviifolius

3Leaves sessile; flowers c. 4 cm diam., on short stalks (< 3 cm long)Cistus inflatus