Biology:Crataegus ser. Pruinosae

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Short description: Species of hawthorn

Crataegus ser. Pruinosae
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Crataegus
Section: Crataegus sect. Coccineae
Series: Crataegus ser. Pruinosae
(Sarg.) Rehder[1]

Series Pruinosae is a series within the genus Crataegus that contains at least six species of hawthorn trees and shrubs, native to Eastern North America. They are similar in some respects to series Intricatae. They are very thorny, with medium to large leaves, and hard fruit that are usually pinkish in colour.[1]

Species

The principal species in the series are:[1]

  • Crataegus compacta
  • Crataegus gattingeri
  • Crataegus suborbiculata
  • Crataegus formosa
  • Crataegus cognata
  • Crataegus pruinosa

The Grand Rapids hawthorn, Crataegus × coleae, collected in the area of Grand Rapids, Michigan until the 1940s, appears to be a hybrid with series Anomalae.[1]

References

  1. 1.0 1.1 1.2 1.3 Phipps, J.B. (2015), "Crataegus Linnaeus (sect. Coccineae) ser. Pruinosae (Sargent) Rehder, Man. Cult. Trees ed. 2 363. 1940", in L. Brouillet; K. Gandhi; C.L. Howard et al., Flora of North America North of Mexico, 9: Magnoliophyta: Picramniaceae to Rosaceae, New York, Oxford: Oxford University Press, pp. 571–579, http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=318067 

Wikidata ☰ Q22286639 entry