macracanthus

Macracanthus is a genus of flowering plants in the family Asteraceae, commonly known as the daisy or composite family. The genus is native to the Mediterranean region, with a few species extending into Africa and Asia. Macracanthus species are herbaceous perennials, typically growing to a height of 30-60 cm. They are characterized by their daisy-like flowers, which are usually yellow or orange in color, and their hairy, lobed leaves.

The genus Macracanthus was first described by the French botanist Jean-Baptiste Lamarck in 1805. It is closely related to the genus Echinops, and the two genera are often grouped together in the tribe Echinopsideae. The name Macracanthus is derived from the Greek words makros, meaning "large," and akanthos, meaning "thorn," referring to the spiny involucral bracts that surround the flower heads.

Macracanthus species are often cultivated as ornamental plants in gardens and rockeries due to their attractive flowers and foliage. They are relatively easy to grow and prefer well-drained soil and full sun. Some species are also used in traditional medicine, particularly in the Mediterranean region, where they are believed to have various health benefits.

The genus Macracanthus currently includes around 15 recognized species, with the most well-known being Macracanthus moschatus, commonly known as the musk thistle. This species is particularly notable for its strong, musky scent, which is produced by the glandular hairs on the leaves and stems.