vespertine

adjective5

1. •
   That sets after the sun.
2. •
   That is principally active at dusk.

   • In both forms of this interesting plant, the medium-sized spider-like flowers are closed from morning until late afternoon when they open to attract vespertine insects. — 1949
3. •
   Occurring in the evening.

   • Similarly, the flowers of the sphingophilous taxa correspond to the characteristics and habits of western American hawkmoths in many ways: in ... vespertine and nocturnal nectar production — 1993
4. •
   That opens or blooms in the evening.

   • It^([Mentzelia ornata]) belongs to the vespertine section, or those in which the flowers fully expand only towards evening. — 1883
5. •
   (literary) Of or related to the evening; that occurs in the evening.

   • The peripatetics issue forth to indulge in the usual vespertine locomotion; and stroll gently down the aristocratic Chesnut and up the sedate and solid-seeming Mulberry, or vice versa. — 1837