Abstract
During a revision of the genusRustia, the two pendulous-flowered taxa,R. secundiflora andR. splendens, are here lectotypified and found to be synonymous. Examination of specimens identified asR. secundiflora have revealed an additional pendulous-flowered species:R. schunkeana. A key to the four species ofRustia with pendulous flowers is provided.
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Delprete, P.G. Studies in the pendulous-flowered species of Rustia (Rubiaceae, Condamineeae), including a new species, Rustia schunkeana. Brittonia 48, 29–34 (1996). https://doi.org/10.2307/2807662
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DOI: https://doi.org/10.2307/2807662