Assertion: water chestnut | /r/AtLocation | north america
Facets:
value: in about 1874
type: TEMPORAL
value: as an ornamental water garden plant
type: PURPOSE
Source sentences:
text: Water chestnut was introduced to North America as an ornamental water garden plant.
text: Water chestnut was introduced into North America sometime before 1879 by a gardener at the Cambridge Botanical Garden in Massachusetts.
text: Water chestnut plants were first introduced to North America in about 1874 and were known to be cultured in 1877 in the botanical garden of Asa Gray, the eminent Harvard University botanist.