Crataegus wattiana

Crataegus wattiana, the Altai hawthorn,[1] is an Asian species of hawthorn. The original description states that it has yellow fruit with five stones (pyrenes).[2] Crataegus wattiana var. wattiana has become naturalized in Seattle, in the U.S. state of Washington.[1][3]

Crataegus wattiana
Illustration from Curtis's Botanical Magazine, 1919
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Crataegus
Section: Crataegus sect. Sanguineae
Series: Crataegus ser. Altaicae
Species:
C. wattiana
Binomial name
Crataegus wattiana

Two varieties are recognized in the 2015 Flora of North America:

  • var. wattiana has shallow leaf lobes
  • var. incisa C.K.Schneid. leaves are pinnate near the base, and lobed in the upper portion

See also

References

  1. Phipps, J.B. (2015), "Crataegus Linnaeus sect. Sanguineae (Zabel ex Rehder) C. K. Schneider, Ill. Handb. Laubholzk. 1:771. 1906", 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 (eds.), Magnoliophyta: Picramniaceae to Rosaceae, Flora of North America North of Mexico, 9, New York, Oxford: Oxford University Press, pp. 514–5
  2. Lace, J.H.; Hemsley, W.B. (1891). "A sketch of the vegetation of British Baluchistan, with descriptions of new species". The Journal of the Linnean Society. 28: 288–326, (See p. 323, plate 40).
  3. Phipps, J.B. (2015), "Crataegus wattiana Hemsley & Lace, J. Linn. Soc., Bot. 28: 323, plate 40. 1891", 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 (eds.), Magnoliophyta: Picramniaceae to Rosaceae, Flora of North America North of Mexico, 9, New York, Oxford: Oxford University Press


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