Abstract
Background – Botanical exploration of the Sapo National Park in Liberia resulted in the discovery of a new species, which, after DNA investigation, was identified as belonging to Soyauxia of the small family Peridiscaceae. Methods – Normal practices of herbarium taxonomy and DNA sequence analysis have been applied. All the relevant herbarium material has been studied, mainly at BR, K, P, and WAG. The presented phylogenetic relationships of the new Soyauxia species is based on rbcL gene sequence comparison, inferred by a RAxML analysis including 100 replicates fast bootstrapping. The distribution maps have been produced using Map Maker Pro. Relevant collection data are stored in the NHN (Nationaal Herbarium Nederland) database. Key results – The new species Soyauxia kwewonii and an imperfectly known species are treated in the framework of a synopsis with the six other species of the genus. rbcL sequence comparison followed by RAxML analyses yielded a well-supported match of S. kwewonii with the Soyauxia clade. Its conservation status according to the IUCN red list criteria is assessed as Endangered. Its distribution as well as the distribution areas of the genus and of the remaining species are mapped. Soyauxia ledermannii is neotypified and the most common species in Gabon, S. glabrescens, is also illustrated.
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Claims 7
Claim · model-written summary
The new species Soyauxia kwewonii is treated in a synopsis.
- Taxon
- Soyauxia kwewoniiSoyauxia kwewoniie0
- Outcome
- new species Soyauxia kwewoniie0
Verbatim
e0“The new species Soyauxia kwewonii and an imperfectly known species are treated in the framework of a synopsis with the six other species of the genus”
Claim · model-written summary
An imperfectly known Soyauxia species is treated in the synopsis.
- Outcome
- an imperfectly known speciese0
Verbatim
e0“The new species Soyauxia kwewonii and an imperfectly known species are treated in the framework of a synopsis with the six other species of the genus”
Claim · model-written summary
rbcL analysis strongly matched S. kwewonii to the Soyauxia clade.
- Taxon
- S. kwewoniiSoyauxia kwewoniie0
- Gene
- rbcLe0
- Outcome
- well-supported match of S. kwewonii with the Soyauxia cladee0
Verbatim
e0“rbcL sequence comparison followed by RAxML analyses yielded a well-supported match of S. kwewonii with the Soyauxia clade”
Claim · model-written summary
S. kwewonii was assessed as Endangered.
- Outcome
- Endangerede0
Verbatim
e0“Its conservation status according to the IUCN red list criteria is assessed as Endangered”
t0“Soyauxia (Peridiscaceae, formerly Medusandraceae)”
Claim · model-written summary
The distribution of Soyauxia and its species was mapped.
- Outcome
- distribution areas of the genus and of the remaining speciese0
Not reportedComparatorValue
Verbatim
e0“Its distribution as well as the distribution areas of the genus and of the remaining species are mapped”
t0“Soyauxia (Peridiscaceae, formerly Medusandraceae)”
Claim · model-written summary
Soyauxia ledermannii was neotypified.
- Taxon
- Soyauxia ledermanniiSoyauxia ledermanniie0
- Outcome
- neotypifiede0
Verbatim
e0“Soyauxia ledermannii is neotypified”
Claim · model-written summary
S. glabrescens is illustrated.
- Taxon
- S. glabrescensSoyauxia glabrescense0
- Outcome
- illustratede0
- Setting
- Gabone0
Not reportedComparatorValue
Verbatim
e0“the most common species in Gabon, S. glabrescens, is also illustrated”