Wood cow-wheat[1] (Melampyrum nemorosum) is an herbaceous flowering plant in the family Orobanchaceae. It is native to Europe. In Sweden it is called natt och dag (Night and Day).[2] In Russia it is called Ivan-da-Marya (Ivan and Maria), a Christianisation of the traditional Slavic Kupalo-da-Mavka (Kupalo-and-Mavka).
| Melampyrum nemorosum | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Orobanchaceae |
| Genus: | Melampyrum |
| Species: | M. nemorosum
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| Binomial name | |
| Melampyrum nemorosum | |
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 rust fungus Coleosporium melampyri [3] und Cronartium flaccidum with the associated uredium and telium.[4]
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Flower -
Flowers in yellow and red contrast the purple top leaves
References
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Wikimedia Commons has media related to Melampyrum nemorosum.
- ^ https://www.biolib.cz/en/taxon/id40893/
- ^ Melampyrum nemorosum. Invasive Species Compendium. CABI.
- ^ Peter Zwetko: Die Rostpilze Österreichs. Supplement und Wirt-Parasit-Verzeichnis zur 2. Auflage des Catalogus Florae Austriae, III. Teil, Heft 1, Uredinales. (PDF; 1,8 MB).
- ^ 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
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