133199 Common Hawthorn Crataegus monogyna Rosaceae Height to 15m Spreading deciduous tree or shrub. Bark Fissured with vertical grooves. Branches Densely packed, with sharp spines. Leaves To 4.5cm long, deeply lobed, with teeth near apex. Reproductive parts Flowers white, 15mm across, in flat-topped clusters of 10–18 (May). Fruits (‘haws’) rounded and red. Status Common native of hedgerows and scrub, especially on chalk.