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Peer-reviewedCC BYPhytoKeys

Taxonomic revision of Mussaenda wallichii (Rubiaceae): two new synonyms from Southeast Asia.

  • Ting-Ting Duan1
  • Yi-Xuan Li1
  • Jin Li1
  1. 1Guangdong Ocean University, Zhanjiang CN-524088, Guangdong, China Guangdong Ocean University Zhanjiang China https://ror.org/0462wa640.
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Abstract

Mussaenda wallichii G. Don (Rubiaceae) is a widespread species distributed from northeastern India to Southeast Asia, but its taxonomic delimitation has remained uncertain due to overlapping morphological characters and incomplete assessment of type materials. Based on extensive herbarium examinations, including type specimens, and critical evaluation of protologues, we reassessed the taxonomic identities of M. intuspilosa Jayaw. and M. lancipetala X.F. Deng & D.X. Zhang. Morphological comparisons revealed that both taxa are conspecific with M. wallichii and cannot be distinguished from it by consistent diagnostic characters. Therefore, they are treated as heterotypic synonyms of M. wallichii. Lectotypification of historical names is also discussed. This study furthers our understanding of morphological variation, species diversity, and distribution patterns within Mussaenda in Southeast Asia.

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Cite

BibTeXRIS
BibTeX
@article{duan2026taxonomic,
  title = {{Taxonomic revision of Mussaenda wallichii (Rubiaceae): two new synonyms from Southeast Asia.}},
  author = {Ting-Ting Duan and Yi-Xuan Li and Jin Li},
  journal = {PhytoKeys},
  year = {2026},
  month = oct,
  doi = {10.3897/phytokeys.280.209108},
  url = {https://europepmc.org/article/MED/42959730},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Taxonomic revision of Mussaenda wallichii (Rubiaceae): two new synonyms from Southeast Asia.
AU  - Ting-Ting Duan
AU  - Yi-Xuan Li
AU  - Jin Li
PY  - 2026
DA  - 2026/10/14
JO  - PhytoKeys
DO  - 10.3897/phytokeys.280.209108
UR  - https://europepmc.org/article/MED/42959730
AB  - Mussaenda wallichii G. Don (Rubiaceae) is a widespread species distributed from northeastern India to Southeast Asia, but its taxonomic delimitation has remained uncertain due to overlapping morphological characters and incomplete assessment of type materials. Based on extensive herbarium examinations, including type specimens, and critical evaluation of protologues, we reassessed the taxonomic identities of M. intuspilosa Jayaw. and M. lancipetala X.F. Deng & D.X. Zhang. Morphological comparisons revealed that both taxa are conspecific with M. wallichii and cannot be distinguished from it by consistent diagnostic characters. Therefore, they are treated as heterotypic synonyms of M. wallichii. Lectotypification of historical names is also discussed. This study furthers our understanding of morphological variation, species diversity, and distribution patterns within Mussaenda in Southeast Asia.
SN  - 1314-2011
SN  - 1314-2003
ER  -