Melampyrum nemorosum

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Melampyrum nemorosum
Pszeniec gajowy 0179.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Orobanchaceae
Genus: Melampyrum
Species: M. nemorosum
Binomial name
Melampyrum nemorosum

Melampyrum nemorosum is an herbaceous flowering plant in the broomrape family, Orobanchaceae. It is native to Europe. In Sweden it is called natt och dag. (Night and Day)[1]

This is an annual plant. The new leaves are blue, turning green as they mature. They are usually toothed at the bases.

This plant is a host to the fungus Cronartium flaccidum.[2]


  1. ^ Melampyrum nemorosum. Invasive Species Compendium. CABI.
  2. ^ Kaitera, J. and H. Nuorteva. (2003). Cronartium flaccidum produces uredinia and telia on Melampyrum nemorosum and on Finnish Vincetoxicum hirundinaria. Forest Pathology 33: 205–213. doi: 10.1046/j.1439-0329.2003.00321.x