blackthorn pear haw pear hawthorn Crataegus calpodendron Crataegus tomentosa
blackthorn%1:20:01:: pear_haw%1:20:00:: pear_hawthorn%1:20:00:: crataegus_calpodendron%1:20:00:: crataegus_tomentosa%1:20:00::
crataegus calpodendron
erect and almost thornless American hawthorn with somewhat pear-shaped berries