Crataegus calpodendron

Từ điển WordNet v3.1 - WordNet Dictionary

noun

erect and almost thornless American hawthorn with somewhat pear-shaped berries
• Syn:
blackthorn, pear haw, pear hawthorn, Crataegus tomentosa
• Hypernyms:
hawthorn, haw
• Member Holonyms:
Crataegus, genus Crataegus