Thriving primarily in the Mediterranean basin, the genus Silybum stands out due to its distinctive spiny foliage and potent medicinal properties. These herbaceous plants have been utilized for centuries in traditional European medicine, particularly for supporting hepatic health. Over time, their distribution has expanded as introduced species in various temperate regions globally.
The members of this group exhibit a set of distinct vegetative and reproductive characteristics.
These plants are annual or biennial herbs that can reach heights of up to two meters under favorable conditions.
Late spring to summer, typically from May to August
The primary use of these plants centers around their medicinal properties. Silymarin, a complex of flavonolignans extracted from the seeds, serves as a key active ingredient in liver support formulations. In some cultures, the young stems and leaves are consumed as vegetable substitutes after removing the sharp spines.
The common name "milk thistle" is tied to a Christian legend suggesting that the white veins on the leaves were caused by a drop of the Virgin Mary's milk. Additionally, the plants are highly resilient and can rapidly colonize disturbed soils, sometimes becoming invasive weeds in agricultural fields.
A spiny annual or biennial thistle native to the Mediterranean basin, known for its distinct ivory-white spines and mottled foliage.
A hardy annual or biennial thistle famous for its milk-white veined leaves, purple flower heads, and seeds rich in the …
A natural hybrid thistle (Silybum eburneum × Silybum marianum) combining the spiny characteristics and variegated leaves of its parent species.
A wild, spiny annual or biennial herb related to the common milk thistle, featuring outward-curving floral bracts and variegated leaves.
A botanical species belonging to the genus Silybum, documented in plant taxonomic databases.
Silybum leucanthum is a wild Mediterranean thistle species distinguished by its distinctive white flower heads and spiny, white-veined foliage.
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