 Each shoot may carry between 2 and 18 flowers.The flowers have yellow-green sepals and a velvety red-brown labellum with a distinctive silvery-blue H marking so that the flowers much resemble an arthropod and especially a spider.Similar to "Ophrys fuciflora" and "Ophrys apifera" but flowers differ in that late spider orchid and bee orchid have much smaller petals than sepals; in early spider orchid petals and sepals are a similar size.