Meaning of CRATAEGUS CALPODENDRON

WordNet Dictionary
	Definition:		[n]  erect and almost thornless American hawthorn with somewhat pear-shaped berries
	Synonyms:		blackthorn, Crataegus tomentosa, pear haw, pear hawthorn
	See Also:		Crataegus, genus Crataegus, haw, hawthorn