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April 2020
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880 Reads
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10 Citations
Taiwania
Recent field expeditions in Langbiang Plateau of southern Vietnam resulted in new data for the orchid flora of Vietnam. Two new species (Nervilia pubilabia and Panisea sagittata), two new national records (Cheirostylis tortilacinia and Goodyera reticulata) and the rediscovery of a supposedly extinct species (Liparis nana) are reported, and background data about their morphology, biogeography, ecology, conservation and taxonomy are also provided.
October 2015
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840 Reads
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6 Citations
Systematic Botany
Abstract— A vittarioid fern from the Solomon Islands, which has long been treated as Antrophyum semicostatum, is described here as a new species, Antrophyum solomonense . A description, illustration, and distribution of the new species are presented. Boot-shaped paraphysal apical cells, rounded stipe in cross section, and thin rhizome scale cell walls are the diagnostic characteristics of A. solomonense. A molecular phylogeny inferred from four chloroplast markers further supports its systematic uniqueness.
January 2014
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710 Reads
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9 Citations
Phytotaxa
A new species of vittarioid ferns (Pteridaceae) that has long been regarded as Haplopteris amboinensis or H. forrestiana (a synonym of H. doniana), is described here as Haplopteris yakushimensis. Both macro-and micromorphological characteristics were compared with these two species. Chartaceous matured fronds, shallowly grooved adaxial costae and obtuse carinate abaxial costae are the diagnostic characteristics that distinguish H. yakushimensis from the other species in the genus. A phylogeny based on plastid regions chlL, ndhF and matK of 14 East-Asian Haplopteris species, including our new taxon is presented here.
... Critical examination of the live specimens under stereomicroscope along with consultation of protologue, and relevant literature (Bhattacharjee, 2012;Bhattacharjee & Chowdhery, 2018;Hooker, 1890;Karthikeyan et al., 1989;Kumar & Manilal, 1994;Misra, 2007;Misra, 2019;Singh et al., 2001;Singh et al., 2019) and study of the herbarium specimens preserved at APFH, ARUN, ASSAM, BSHC, CAL, LBG, Orchid Herbarium Tipi (OHT), BM, E, K, P, etc., it has revealed that the species does not match with any reported species of Cheirostylis from India. However, further consultation of relevant literature (Hsu et al., 2020;Lin et al., 2016;Lin, 2019Lin, , 2020Xinqi et al., 2009;Ying, 1996) on related non-Indian species of the genus have revealed its identity as Cheirostylis tortilacinia C. S. Leou, which constitutes the first distributional record of the species from India. The voucher specimens have been prepared according to the standard herbarium procedure and deposited at CAL and the herbarium of GBPNIHE-NERC. ...
April 2020
Taiwania
... The traditional morphological approach alone is not enough to provide clear species delimitation since the above processes are not necessarily accompanied by distinguishable morphological changes. More recent studies have integrated morphology and molecular data to explore the diversity of the genus; however, these have focused either on a specific geographic region (East Asia, Chen et al., 2017) or on supporting the recognition of new species (Chen et al., 2015(Chen et al., , 2020(Chen et al., , 2021. A global scale study of Antrophyum is still lacking; thus the true diversity of the genus remains uncertain. ...
October 2015
Systematic Botany
... Yakushima (Yaku Island) is a roughly circular island with a circumference of approximately 130 km and is located approximately 60 km south of the main island of Kyushu. Since the initial taxonomic review of 45 species of vascular plants endemic to Yakushima (Yahara et al. 1987), six additional new species have been described in the same region (Yahara and Tsukaya 2008;Katsuyama 2009;Chen et al. 2014;Hori et al. 2015;Suetsugu and Fukunaga 2016;. Furthermore, an unknown taxon of Cardamine was also discovered in the mountainous area of Yakushima (Kudoh 2017). ...
January 2014
Phytotaxa
