The story
From snake + -'s + head. An upright portion of each plant bears a checkered or overlapping pattern that resembles the appearance of snakeskin.
Etymology from Wiktionary, CC BY-SA 4.0.
snake's head
Today it means: snake's head fritillary (Fritillaria meleagris), a flowering plant in the family Liliaceae, native to Eurasia. Full definition →