Melampyrum lineare

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Melampyrum lineare
Melampyrum lineare.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Orobanchaceae
Genus: Melampyrum
Species:
M. lineare
Binomial name
Melampyrum lineare

Melampyrum lineare, commonly called the narrowleaf cow wheat, [1] is an herbaceous plant in the family Orobanchaceae. It is native to North America, where it is found in southern Canada and the northern United States, with an extension south in the Appalachian Mountains. [2] It has a wide habitat tolerance, but is usually found in drier and somewhat exposed woodlands. [3]

This species is hemiparasitic, meaning it receives energy from both photosynthesis and root parasitism. It is an herbaceous plant that grows in clumps about a 12 inches high. Its leaves are opposite and lanceolate to linear. [4] It produces tubular cream-colored flowers in the summer. [5]

Taxonomy

Four varieties have been considered. However, recent studies have cast doubt at the distinctiveness of these varieties, and the study recommends no recognition of them. Researchers have suggested the proposed varieties represent adaptations to varying habitats, and are not reproductively isolated. [6]

If recognized, the varieties are: [7]

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References

  1. USDA, NRCS (n.d.). "Melampyrum lineare". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 January 2017.
  2. "Melampyrum lineare". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 26 January 2017.
  3. "Herbarium of the University of Michigan". Archived from the original on 2017-02-02. Retrieved 2017-01-26.
  4. Minnesota Wildflowers
  5. CT Botanical Society
  6. Weakley, Alan; Poindexter, Derick; LeBlond, Richard; Sorrie, Bruce; Karlsson, Cassandra; Williams, Parker; Bridges, Edwin; Orzell, Seteve; Keener, Brian; Weeks, Andrea; Noyes, Richard; Flores-Cruz, Maria; Diggs, James; Gann, George; Floden, Aaron (29 November 2017). "New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. II". Journal of the Botanical Research Institute of Texas. 11 (2): 291–325.
  7. "Flora of the Southern and Mid-Atlantic States".