Tulip (Tulipa) is a biological genus in the family Liliaceae and order Liliales.
Tulipa gesneriana
Tulipa dasystemon
Tulipa sylvestris
Lloydia
Clintonia
Melanthium
Eremocrinum
Erythronium
Scoliopus
Fritillaria
Gagea
Medeola
Lilium
Calochortus
Prosartes
Ornithogalum
Tricyrtis
Tulipa
Streptopus