Sweet flag is a herbaceous perennial, 30–100 cm (12–39 in) tall. In habit it resembles the iris, and has given its name to the flag iris, I. pseudacorus. It consists of tufts of basal leaves that rise from a spreading rhizome. The leaves are erect...

Adonis vernalis, known variously as pheasant's eye, spring pheasant's eye, yellow pheasant's eye and false hellebore, is a perennial flowering plant in the buttercup family Ranunculaceae It is found in dry meadows and steppes in Eurasia. Isolated populations are found from Spain in the west...

Thyme (/taɪm/) is an aromatic perennial evergreen herb with culinary, medicinal, and ornamental uses. The most common variety is Thymus vulgaris. Thyme is of the genus Thymus of the mint family (Lamiaceae), and a relative of the oregano genus Origanum. Ancient Egyptians used thyme for...