The hop-plant, Humulus Lupulus: still occasionally used.(noun)
The Century Dictionary (Public Domain)
Use "lupulus" in a sentence
"Humulus lupulus 'Aureus' (Golden Hop) with Clematis viticella 'Polish Spirit' The limey-yellow hop foliage is wonderful all season, while the purple flowers of the clematis open from midsummer."
"Using an annual overcomes this, as does using plants that either die down inwinter, such as Humulus lupulus (hop), or plants that can be pruned almost to the ground in winter, such as Clematis viticella."
"Hops (Humulus lupulus) helps induce sleep and provides a pleasant numbing sensation."