with ___ ⍋ smooth sharp thorns of length …

< 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
hawthorn  genus Crataegus