Any of the species of three genera in the Hyacinthinae subtribe (family Asparagaceae) that produce racemes of small blue flowers, Muscari, Pseudomuscari, and Leopoldia.

The grape hyacinth.

An aquatic flowering plant of the genus Pontederia (syn. Eichhornia)

Scilla peruviana, a Mediterranean plant, one variety of which produces white, and another blue, flowers.

A climbing leguminous plant (Lablab purpureus), with white or dark purple flowers, native to Africa, widely cultivated in the tropics.

plural of hyacinth bean

A bulbous-rooted plant, a species of squill, Scilla verna, with pinkish-purple flowers, found in the Mediterranean, Turkey and the Caucasus, and along the south coast of England.