Crataegus delawarensis

Last updated

Crataegus delawarensis
Status TNC GH.svg
Possibly Extinct  (NatureServe) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Crataegus
Section: Crataegus sect. Coccineae
Series: Crataegus ser. Populneae
Species:
C. delawarensis
Binomial name
Crataegus delawarensis
Synonyms [2]
  • Crataegus pruinosa var. delawarensis(Sarg.) E.J.Palmer

Crataegus delawarensis, commonly known as the Delaware hawthorn [3] was a hawthorn species endemic to northern Delaware. [4] Crataegus delawarensis can be differentiated from other members of its series by its narrower leaf blades and yellow anthers. [4] It was a tree-like shrub that could grow up to 30 ft. in height. [3] There is only one known occurrence between Newport and New Castle, Delaware. Despite searches, Crataegus delawarensis has not been seen since 1903. [1] Due to its limited range and intermediate characteristics, Crataegus delawarensis is assumed to have been of hybrid origin between Crataegus pruinosa and C. populnea . [5]

References

  1. 1 2 NatureServe. "Crataegus delawarensis". NatureServe Explorer. Arlington, Virginia. Retrieved 17 July 2025.
  2. "Crataegus delawarensis". Plants of the World Online. Royal Botanic Gardens. Retrieved 17 July 2025.
  3. 1 2 "Hidden Treasures: Learn About Rare Plants in Delaware". Delaware.gov. Retrieved 17 July 2025.
  4. 1 2 Phipps, J.B. "Crataegus delawarensis". Flora of North America North of Mexico. New York, Oxford: Oxford University Press. p. 568. Retrieved 17 July 2025.
  5. "Crataegus delawarensis". Flora of the Southeastern United States. Retrieved 17 July 2025.