''Crataegus'' sect. ''Douglasia''

Crataegus section Douglasia
Crataegus douglasii fruit (series Douglasianae)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Rosaceae
Genus: Crataegus
Section: Douglasia

Section Douglasia is a North American section within the genus Crataegus of species with black fruit.[1]

Series

Series in section Douglasia include:[1]

  • Cerrones
  • Douglasianae
  • Purpureofructus

See also

References

  1. 1 2 3 Phipps, J.B. (2015), "Crataegus Linnaeus sect. Douglasia Loudon, Arbor. Frutic. Brit. 2:816 1838", in L. Brouillet; K. Gandhi; C.L. Howard; H. Jeude; R.W. Kiger; J.B. Phipps; A.C. Pryor; H.H. Schmidt; J.L. Strother; J.L. Zarucchi, Flora of North America North of Mexico, Volume 9: Magnoliophyta: Picramniaceae to Rosaceae, New York, Oxford: Oxford University Press, pp. 502–514


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