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Generic phylogeny and character evolution in Urticeae (Urticaceae) inferred from nuclear and plastid DNA regions
TLDR
Although it is difficult to identify morphological synapomorphies for these well-defined clades within Urticeae, character analysis shows that the herbaceous habit and alternate leaves are the ancestral states in the tribe.
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Epimedium tianmenshanensis (Berberidaceae), a new species from central China
TLDR
Molecular evidence indicates that E. tianmenshanensis occupies a distinct group related to E. baojingense and E. franchetii, and the phylogenetic position of the new species is determined using DNA sequences of nuclear ITS and two chloroplast regions.
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Zhengyia shennongensis: A new bulbiliferous genus and species of the nettle family (Urticaceae) from central China exhibiting parallel evolution of the bulbil trait
TLDR
The phylogenetic evidence indicates that Zhengyia is a distinct group related to Urtica species and Laportea cuspidata in tribe Urticeae, and indicates that the bulbil trait evolved in parallel within UrTiceae.
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Rediscovery of Mazus lanceifolius reveals a new genus and a new species in Mazaceae
TLDR
Results support the separation of M. lanceifolius from Mazus as a new genus, which was established here as Puchiumazus Bo Li, D.G. Zhang & C.L. Xiang.
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Youngia zhengyiana (Asteraceae, Crepidinae), a new species from south China, with notes on the systematics of Youngia inferred from morphology and nrITS phylogeny
TLDR
The infrageneric classification and the recently debated circumscription of Youngia are discussed in the light of the nrITS phylogeny, which includes several species for the first time.
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ITS2 rDNA VARIATION OF TWO BLACK WIDOW SPECIES, LATRODECTUS MACTANS AND LATRODECTUS HESPERUS (ARANEAE, THERIDIIDAE)
TLDR
This study conducted to determine whether the internal transcribed spacers 2 of rDNA exhibit sequence differences between the two taxa that could delineate their taxonomic relationship and found that the minimal differences present in the ITS2 sequences are taxonomically insignificant.
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Phytolacca exiensis , a new species of Phytolaccaceae from west of Hubei province, China
TLDR
A new species of Phytolacca which was discovered from west of Hubei province, China, is discribed and illustrated and can be easily distinguished from other related species by its carpers connate and plants dioecious.
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Eutrema bulbiferum (Brassicaceae), a new species with bulbils from Hunan, China
TLDR
A unique new species of Brassicaceae found in the limestone areas of Longshan and Jishou, Hunan, China, is described and illustrated and can be easily distinguished by its rosulate fleshy bulbils in the leaf axil or near the stem base.
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Primula sunhangii (Primulaceae): a new species from Hubei, Central China
TLDR
Molecular phylogenetic analysis based on nuclear and cpDNA genes demonstrates that P. sunhangii and P. involucrata are closely related.
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Mazus sunhangii (Mazaceae), a New Species Discovered in Central China Appears to Be Highly Endangered
TLDR
It is proposed that the only known species location is recognized as critical habitat (i.e., as the habitat required to ensure the persistence of a species) and the species listed as Critically Endangered based on the International Union for Conservation of Nature Red List Categories and Criteria B2a.
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