The flowers are 1.5–4 cm diameter, with five petals, white or yellow; in some species the flowers are bicoloured with a dark red or brown basal spot on each petal to act as a nectar guide for pollinating insects.
The flowers measure 1.5–4 cm in diameter and have five petals, which can be white or yellow; certain species exhibit a dual-colored appearance with a reddish-brown marking on each petal to guide insects during pollination.