snake's head

Short definition from Wiktionary

Noun

1. 1
   snake's head fritillary (Fritillaria meleagris), a flowering plant in the family Liliaceae, native to Eurasia.
2. 2
   snake's head desertdandelion (Malacothrix coulteri), a plant in the family Asteraceae, native to North America.
3. 3
   Jack-in-the-pulpit (Arum maculatum), a plant in the family Araceae, native to northern Europe.
4. 4
   Used other than figuratively or idiomatically: see snake, head.
5. 5
   Alternative form of snake's head (“type of flowering plant”).