A new subspecies of the African species Spermacoce bequaertii is described and illustrated. This new subspecies (subsp. brevituba) is restricted to the Kasai district in the Democratic Republic of Congo, and differs from the typical subspecies in having smaller mature flowers with a glabrous corolla tube inside.

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Naturalis Biodiversity Center
doi.org/10.3767/blumea.2023.68.01.06
Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

de Kok, R. P. J., & Dessein, S. (2023). A new subspecies of Spermacoce bequaertii (Rubiaceae: Spermacoceae). Blumea: Biodiversity, Evolution and Biogeography of Plants, 68(1), 63–65. doi:10.3767/blumea.2023.68.01.06