Botanical name: Silybum marianum
Common names: Blessed Thistle; Holy Thistle; Milk Thistle; St. Mary's Thistle
Plant category: Annual; Biennual; Herbaceous
Family name: Asteraceae (Aster)
Persistence: Deciduous; Broadleaf
Photo by: Dr. Robert E. Lyons
Media Name:
Silybum marianum