Wild Pumpkin or Karoo Pumpkin * Pampoenbossie of Wilde Kalbas * Radyera Urens

Afrikaans
Wildekalbas
Wildepampoenbossie
Jeukblom
Jigblom
Pampoenbossie
Sandpampoentjie
Wilde pampoen

English
Karoo Pumpkin
Wild Pumpkin

Sources:
(*) https://www.inaturalist.org/taxa/592837-Radyera-urens