Two new species of Oreocharis (Gesneriaceae) from karst regions in Yunnan and notes on O. tetraptera and O. brachypoda from China

Abstract

Two new species of Gesneriaceae, Oreocharis aimodisca and O. longipedicellata, from the limestone area of Yunnan Province, China, are described and illustrated. Their morphological relationship with similar species is discussed and colour photographs, detailed descriptions, distribution and habitat, as well as the IUCN endangered status are provided. We also discuss the accuracy of the scientific names of the described species O. tetrapterus from Guangxi, China in 2019 and O. brachypodus from Guizhou, China, in 2015, and put forward corrections related to name form.

Oreocharis scutifolia (Gesneriaceae) , a unique new species from the Dry and Hot Valley of Jinsha River Basin, Yunnan, China

“…These characteristics set it apart from the aforementioned two species. Detailed literature reviews (Cai et al, 2017;2020a;2020b;2020c;2020d;Chen et al, 2013;2020;Chen et al, 2017;Guo et al, 2018;Han et al, 2017;Li et al, 2015;Möller et al, 2018;Pan et al, 2019;Truong et al, 2017;Wei et al, 2016;Wu et al, 1987;1991;Yang et al, 2015;Yang et al, 2019;Yang et al, 2015;Yi et al, 2019) and morphological comparisons with herbarium specimens confirm that this is indeed a unique and previously undiscovered species. Phylogenetic analysis primarily utilizing transcriptomes, has further confirmed its position within the genusOreocharis .…”

Oreocharis oriolus, a new species of Gesneriaceae in a sclerophyllous oak community from Yunnan, Southwest China

“…Quite a few species in Oreocharis were found on cliffs or in crevices of mountainous areas, where it is usually difficult to access (Wang et al, 1990 , 1998 ). Recently, with explorations accessible to formerly remote regions, the accounts of this genus were constantly added (e.g., Cai et al, 2020 ; Du et al, 2021 , 2022 ; Yang et al, 2017 , 2019 ). During a field investigation on a sclerophyllous oak community (dominated by Quercus guyavifolia H.Lév.)…”

Oreocharis qianyuensis, a new species of Gesneriaceae from Southwest, China based on morphological and molecular evidence

“…Wang & K.Y. Pan were removed from the genus based on molecular and palynological evidence (Chen et al 2020), together with the publication of some dozens of new species (e.g., Wei et al 2016;Cai et al 2017Cai et al , 2020Guo et al 2018;Pan et al 2019;Yang and Shi 2021;Le et al 2022), Oreocharis s.l. hitherto comprises ca.…”

“…hitherto comprises ca. 160 species, mainly distributed in South and Southwest China (150 species), with several species occurring in North Vietnam (ten species with eight endemic), Myanmar (two species), Bhutan (one species), India (one species), Japan (one endemic species) and Thailand (one endemic species) (Wang et al 1990(Wang et al , 1998Li and Wang 2005;Cai et al 2020;Wen et al 2021). Oreocharis shows extremely diverse floral charateristics, particularly regarding the corolla shape ranging from narrowly or widely tubular, campanulate, urceolate, to flat; symmetry from zygomorphic to actinomorphic; color from white, red, yellow, pink to purple (Jin et al 2021).…”