Melampyrum

Genus of flowering plants in the broomrape family Orobanchaceae

Melampyrum is a genus of about 20 species of herbaceous flowering plants in the family Orobanchaceae known commonly as cow wheat. They are native to temperate regions of the Northern Hemisphere. They are hemiparasites on other plants, obtaining water and nutrients from host plants, though some are able to survive on their own without parasitising other plants.

This keyword could refer to multiple things. Here are some suggestions: