, a new genus from southern Vietnam is described with a single species, . The new genus is morphologically most similar to and but it differs from the latter two by having four fertile stamens. Nuclear ribosomal internal transcribed spacer (ITS) region and plastid intron spacer () DNA sequence data from the new genus and eighty-seven species representing 42 genera within tribe Didymocarpeae are used to resolve its generic placement. The molecular evidence reveals that it is most closely related to rather than and . The chromosome number is counted as = that further clarified its distinction comparing to the related genera within tribe Didymocarpeae. A global conservation assessment is also performed and classifies as Critically Endangered (CR).
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| http://dx.doi.org/10.3897/phytokeys.146.49731 | DOI Listing |
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