Assertion: buckwheat's seed | /r/AtLocation | long clusters
Facets:
value: at the top of a stalk
type: LOCATION
Source sentences:
text: The flowers and seeds grow on long clusters at the top of a stalk emerging from the basal rosette; in many species, the flowers are green, but in some (such as sheep's sorrel, Rumex acetosella) the flowers and their stems may be brick-red.