1) Colorful bloom 2) Gladiolus 3) Iridaceous plant 4) Iris plant 5) Relative of an iris 6) Sword lily 7) Widely cultivated 1) Gladiolus 
gladiolous, gladiola (s), gladioli (pl) In botany, any of numerous plants of the genus Gladiolus, native chiefly to tropical and southern Africa and having sword-shaped leaves and showy, variously colored, irregular flowers arranged in one-sided spikes; also called the 'sword lily'.
gladiolus (def. 1).