with ___ smooth | sharp thorns that are: <2 cm (<¾ in), spaced=regular or >2 cm (>¾ in), spaced=irregular :
thorns=paired◼ black locust Robinia pseudoacacia thorns=singles; twigs zig-zag🍊 Osage orange Maclura pomifera
thorns=some branched; no winter budshoney locust Gleditsia triacanthos thorns=none branched; buds show in winterhawthorns genus Crataegus
🌳︎ broadleaf 🍃︎ branches, ╟ alternate, list of attributes, no catkins