 The flowers are generally 5 to 6 inches (13 to 15 cm) across.It has 6 petals, 3 outer sepals (called the falls), which are flaring (1.75 inch or 4 cm wide), arch downwards and have a white or yellow or faint orange signal patch or ridge.It also has 3 inner sepals (called the standards), which are slightly erect or upright and narrower than the falls.