Jin-Chu Luo's research while affiliated with Chinese Academy of Sciences and other places

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Publications (1)

ACarex qingyuanensisB abaxial and adaxial surface of leaf blade C culm D, E spikes F adaxial surface of pistillate glume G abaxial surface of pistillate glume H adaxial surface of staminate glume I abaxial surface of staminate glume J, K staminate flower L anther M perigynium N stigmas O, P nutlets Q the transection of nutlet. Drawn by Mrs. Liu Yunxiao based on Li Yali & Chen Hongfeng LYL0012.
A habitat of Carex qingyuanensisB infructescence of C. qingyuanensisC infructescence of C. peliosanthifoliaD inflorescence of C. qingyuanensisE inflorescence of C. peliosanthifoliaF spikes of C. qingyuanensisG spike of C. peliosanthifoliaH short beak of C. qingyuanensisI long beak of C. peliosanthifoliaJ immature nutlets + base thickened style of C. qingyuanensisK immature nutlets + unthickened style of C. peliosanthifolia.
Phylogenetic relationships of 21 species by combined nDNA-cpDNA matrices. Eriophorum vaginatum was set as outgroup. The phylogenetic tree was constructed by MrBayes (BI). The bootstrap values are represented at nodes, red circles indicate bootstrap values of 90–100%, while the rest are marked with numbers.
Genbank numbers for samples used and in combined ITS, ETS 1f, matK, ndhF, and rps16 analyses.
Carex qingyuanensis (Cyperaceae), a new species from Guangdong, China
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April 2024

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Phytokeys

Phytokeys

Ya-Li Li

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Shuang-Wen Deng

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Jin-Chu Luo

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[...]

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Hong-Feng Chen

Carex qingyuanensis, a new species of Cyperaceae from Guangdong Province, China, is described and illustrated. The new species is morphologically similar to Carex peliosanthifolia F. T. Wang & Tang ex P. C. Li, but it can be distinguished by the racemose inflorescence branches appearing single (rarely binate or ternate) (vs. binate or ternate), one (rarely two or three) (vs. 1–3) spiked, male part of linear-cylindrical spikes much longer than the female part (vs. just male part short-cylindrical and slightly longer than female part), style base thickened (vs. not thickened) and perigynium horizontally patent with a short (vs. long and excurved) beak. Phylogenetic analysis, based on the two nuclear DNA regions (ETS 1f and ITS) and three chloroplast DNA regions (matK, ndhF and rps16), suggests that the new species belongs to sect. Siderostictaes.s. of subg. Siderosticta and shows a closer phylogenetic relationship to Carex scaposa C. B. Clarke.

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