(Crataegus wootoniana)
Small tree or shrub to 3 m tall; branches thorny, the thorns purplish brown, 3-4 cm in length; leaves simple, alternate and rhombic in outline, margins with 3-4 broad lobes on each side of the upper two-thirds of the leaf, these lobes with fine marginal teeth that are not strongly glandular-tipped; flowers with 5 white petals and 5-8 stamens, carpels 1-5, hard and bone-like with each enclosing 1 nutlet; fruit a pome. Flowers April to June.