Crataegus okanaganensis is a species of hawthorn native to western British Columbia, Washington state and Montana.[1] It forms a vigorous shrub to 8 m in height with brilliant red fruit in late summer,[1] that later ripen to "burgundy to deep purple (occasionally almost black)".[2] It has potential as an ornamental plant.[1]

References

  1. ^ a b c Phipps, J.B.; O’Kennon, R.J.; Lance, R.W. (2003). Hawthorns and medlars. Cambridge, U.K.: Royal Horticultural Society. ISBN 0881925918.
  2. ^ Phipps, J.B.; O’Kennon, R.J. (1998). "Three new species of Crataegus (Rosaceae) from Western North America: C. okennonii, C. okanaganensis, and C. phippsii SIDA, Contributions to Botany". 18 (1): 169–191. JSTOR 41967292. {{cite journal}}: Cite journal requires |journal= (help)