Assertion: rhododendron | /r/HasProperty | discovered in 16th century
Facets:
value: by charles l'ecluse
type: OTHER
Source sentences:
text: Rhododendrons were first discovered in the 16th century, and cultivation began in 1656.
text: Rhododendron was discovered in the 16th century by Charles l'Ecluse, a Flemish botanist.