Crataegus ambigua is a species of thorn (hawthorn) native to Western Asia and Eastern Europe, including Armenia, Iran, Russia, and Turkey.[1] It grows as a shrub or tree up to about 12 m in height.[1] The fruit is dark red to purple or black, with one or two stones (pyrenes).[1]

Crataegus ambigua is closely related to Crataegus songarica,[1] a species that has black fruit.

References

  1. ^ a b c d Christensen, K.I. (1992). Revision of Crataegus sect. Crataegus and nothosect. Crataeguineae (Rosaceae-Maloideae) in the Old World. Systematic Botany Monographs. 35: 1–199.