A Sjambok pod (Cassia abbreviata) in flower in winter with old seed pods hanging, Kruger National Park, Mpumalanga, South Africa. [photo Colin Paterson-Jones ©]

Cassia abbreviata, Chitengo Camp, Gorongosa National Park, Mozambique. [photo Bart Wursten ©, Flora of Mozambique]

Cassia abbreviata in flower in winter in recently burnt veld in the Hwange National Park, Zimbabwe. [photo Colin Paterson-Jones ©]

A Crested barbet (Trachyphonus vaillantii) feeding on the seeds in the long, hanging seed pods of Cassia abbreviata, in the Kruger National Park, Limpopo, South Africa. [photo Colin Paterson-Jones ©]

A Southern yellow-billed Hornbill (Tockus leucomelas) feeding on the seeds in the long, hanging seed pods of Cassia abbreviata in the Kruger National Park, Mpumalanga, South Africa. [photo Colin Paterson-Jones ©]

A male Green Wood-Hoopoe (Phoeniculus purpureus) extracting seeds from the long, hanging seed pods of Cassia abbreviata, in the Kruger National Park, Mpumalanga, South Africa. [photos Colin Paterson-Jones ©]

A Southern yellow-billed hornbill (Tockus leucomelas) feeding on the seeds in the long, hanging seed pods of Cassia abbreviata, in the Kruger National Park, Limpopo, South Africa. [photo Colin Paterson-Jones ©]