Assertion: yam's stem | /r/CapableOf | reach 1
Facets:
value: in 2.5 cm
type: OTHER
value: in diameter
type: OTHER
Source sentences:
text: They were rarely cultivated from seeds as most plants were harvested prior to flowering, when the stems reach around 1 in (2.5 cm) in diameter, as described by 18th century European accounts.