blessed thistle

(redirected from Carduus benedictus)
Also found in: Thesaurus, Medical, Encyclopedia.

blessed thistle

n.
An annual yellow-flowered herb (Cnicus benedictus) in the composite family, having spiny leaves and used in herbal medicine.

[From its use by monks in the Middle Ages.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.blessed thistle - tall Old World biennial thistle with large clasping white-blotched leaves and purple flower headsblessed thistle - tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America
genus Silybum, Silybum - small genus of east African herbs
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
2.blessed thistle - annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowersblessed thistle - annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers
thistle - any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves
Cnicus, genus Cnicus - one species: blessed thistle
References in periodicals archive ?
as effectual as Carduus Benedictus for agues, and to prevent and cure infection of the plague; as also to open obstructions of the liver and spleen; and thereby as good against the jaundice.