with — smooth | sharp thorns that are:
<2 cm (<¾ in), spaced=regular  or
>2 cm (>¾ in), spaced=irregular :

Thorns >2 cm (>¾ in), spaced=irregular

thorns=some branched;  no winter buds
honey locust  Gleditsia triacanthos

thorns=none branched;  buds show in winter
hawthorns  genus Crataegus