The Iris latistyla has two bract (protective layer) and the flowers are 5 cm in diameter with two pairs of petals.
The flowers are 5 cm (2 in) in diameter, and come in shades of violet, or blue purple. It has 2 pairs of petals, 3 large sepals (outer petals), known as the 'falls' and 3 inner, smaller petals (or tepals), known as the 'standards'. 
