Assertion: mountain ash's leaflet | /r/HasProperty | 3.3 times or more long
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Source sentences:
text: It is easily mistaken for the related, and less common, American Mountain-ash (Sorbus americana), which has leaflets that are 3.3 times or more as long as wide (divide length by width to determine), typically hairless all over, and has somewhat smaller flowers and fruits (both to 1/3 inch).