PhytoKeys 277

10.3897/phytokeys.277.198746

Research Article

Sheathia shaoguanensis sp. nov. (Batrachospermales, Rhodophyta), a new freshwater red algal species from South China

Jin-fen Han, Xin Wang, Bin Yin, Shu-lian Xie

06-07-2026

Unique: 661 | Total: 791

Reprint: € 7,00

25-40

10.3897/phytokeys.277.188891

Research Article

A new species of Xylopia (Annonaceae) from the Amazon Basin, with a review of trunciflorous cauliflory in the genus

Morgan Vaughn, Dekon Harper, Lexi Reiter, Elizabeth Dodds, Nancy A. Murray, Keegan Floyd, Gregory W. Stull, David M. Johnson

07-07-2026

Unique: 1314 | Total: 1518

Reprint: € 9,00

41-64

10.3897/phytokeys.277.200946

Research Article

Elatostema weizhianum, a new species of Urticaceae from Zhejiang, East China

Yue-Liang Xu, Zi-Hong Zheng, Yi-Fei Lu, Zhan-Sheng Tang, Xiao-Feng Jin

07-07-2026

Unique: 801 | Total: 929

Reprint: € 6,00

65-75

10.3897/phytokeys.277.195893

Research Article

If these aren’t genuine species, what are? An analysis of heterotypic synonyms contributes to 19 new names and 20 new combinations in Magnolia (Magnoliaceae). Part 2: New combinations

Christopher B. Callaghan, Siak K. Png

10-07-2026

Unique: 1389 | Total: 1578

Reprint: € 26,00

77-151

10.3897/phytokeys.277.198822

Research Article

Camellia guiliangii (Theaceae), a new yellow-flowered Camellia species from limestone mountains of southern Yunnan, China

Rujing Zhang, Qingqiu Qin, Guisheng Zhang, Deming He, Jinguo Zhang, Shaoqing Tang, Sujuan Wei

10-07-2026

Unique: 803 | Total: 917

Reprint: € 5,00

153-160

10.3897/phytokeys.277.196859

Research Article

An updated checklist of the genus Rubus (Rosaceae), a proposal of a new name, Rubus subbeskidensis, and an analysis of micro-hotspots of bramble diversity in Poland

Marcin Nobis, Mateusz Wolanin, Adam Zając, Bohumil Trávníček

16-07-2026

Unique: 771 | Total: 915

Reprint: € 8,00

161-180

10.3897/phytokeys.277.187415

Research Article

Euphorbia fanjingshanensis (Euphorbiaceae), a new species from section Helioscopia in southwestern and central China

Ya-Lin Feng, Lei Shi, Ranto Tiana Ratsiferanarivo, Xiang-Dong Qiu, Zhi-Hao Xin, Hai-Yang Yao, Sheng-Wei Wang, Neng Wei, Qing-Feng Wang

16-07-2026

Unique: 853 | Total: 986

Reprint: € 7,00

181-195

10.3897/phytokeys.277.199752

Research Article

Cytological studies of Rungia (Acanthaceae) from China and its systematic implications

Zhe-Li Lin, Shu Wang, Yun-Fei Deng

16-07-2026

Unique: 673 | Total: 771

Reprint: € 6,00

197-208

10.3897/phytokeys.277.191131

Research Article

Additions to the species of Magnolia L., sect. Manglietiastrum (Y.W.Law) Noot. (Magnoliaceae) in Vietnam

Nguyen Thi Ai Minh, Tran Thai Vinh, Truong Thi Lan Anh, Nguyen Hoang Nghia, Hoang Thanh Truong, Lao Duc Thuan, Tran Van Tien

20-07-2026

Unique: 798 | Total: 925

Reprint: € 8,00

209-225

10.3897/phytokeys.277.198454

Research Article

Polygonatum kiangnanense (Asparagaceae), a new species from southeastern China

Tao Xu, Xiang-wen Song, Wei Wang, Wan-ting Li, Bang-xing Han, Shan-yong Yi

21-07-2026

Unique: 799 | Total: 906

Reprint: € 7,00

227-240

10.3897/phytokeys.277.189029

Research Article

Hidden diversity at the edges of maps: morphometrics of Carex sect. Uncinia (Cyperaceae) helps unravel taxonomic diversity in subantarctic and remote archipelagos

Pablo García-Moro, Raúl Lois, Kerry A. Ford, Isabel Larridon, Germinal Rouhan, Eric H. Roalson, Pedro Jiménez-Mejías

21-07-2026

Unique: 869 | Total: 1063

Reprint: € 11,00

241-267