black-eyed Susan

plural black-eyed Susans

1. The flowering annual plant Rudbeckia hirta.

   In May, when coyotes howl beneath an unnervingly large moon, taller plant, such as spiderworts and black-eyed Susans, begin to creep over the tinier blooms, stealing their light and water.

   2021 (originally published 2017, adapted 2021), David Grann, Killers of the Flower Moon: Adapted for Younger Readers, page 1

2. Various other flowering plants:
   1. Certain other members of the genus Rudbeckia.
   2. Hibiscus trionum in the family Malvaceae.
   3. Any black-eyed Susan vine of species Thunbergia alata, in the family Acanthaceae.
   4. Any member of certain species of the Australian plant genus Tetratheca, particularly Tetratheca hirsuta, members of the family Elaeocarpaceae
3. UKcookingA kind of boiled pudding with currants.