| Literature:
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 Bridson, D.M. & Verdcourt, B. (2003).  Rubiaceae, Part 3 Flora Zambesiaca 5(3)  Pages 475 - 476. as Tricalysia maputensis   
Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018).  Trees and Shrubs Mozambique   Publishing Print Matters (Pty), Cape Town.  Page 985.   (Includes a picture). 
Darbyshire, I., Timberlake, J., Osborne, J., Rokni, S., Matimele, H., Langa. C., Datizua, C., de Sousa, C., Alves, T., Massingue, A., Hadj-Hammou, J., Dhanda, S., Shah, T., Wursten, B. (2019).  The endemic plants of Mozambique: diversity and conservation status Phytotaxa 136  Page 92.   
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