| Literature:
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Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 59.
Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 119. (Includes a picture).
Ntore, S. & al. (2024). Checklist of the vascular plants of Burundi Page 49.
Robson, N.K.B. (1960). Annonaceae Flora Zambesiaca 1(1) Page 133.
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