Modifies a noun

• sepium: I saw in a villa the common white convolvulus sepium trained up with china roses & looking very handsome.

• arvensis: Convolvulus arvensis L. Lesser Bindweed, Small Bindweed This plant can become a troublesome weed in gardens.

• hawk: These visitors were feeding on Nicotiana and Petunia flowers in the border behind the house, and they proved to convolvulus hawk moths.

• moth: These visitors were feeding on Nicotiana and Petunia flowers in the border behind the house, and they proved to convolvulus hawk moths.