The recently published new taxa and new records of Gesneriaceae from China before 31 December 2023 (7)

No. 6 李述万, 黄章平, 陈海玲, 刘演

Glabrella bogaoi, a new species of Gesneriaceae from southern China

Taiwania 68(2): 155‒160, 2023

ABSTRACT

Based on morphological and molecular data, Glabrella bogaoi, a new species from limestone areas in southern China, is described and illustrated here. G. bogaoi is morphologically distinct from the other species of Glabrella by its stems, which can grow up to 5–30 cm, calyx segments that are adpressed to the corolla base, and corolla outside white. It is morphologically most similar to G. mihieri. Furthermore, a phylogenetic analysis of the combined matrix of trnL-F and ITS sequences, including 4 taxa of Glabrella, has been provided. The phylogenetic analysis indicates that G. bogaoi is an independent new species. A table and a key to distinguish the new species from all other Glabrella species are also provided.

Original article link: DOI: 10.6165/tai.2023.68.155

Fig. 1. Geographic distributions of Glabrella bogaoi (circle), G. leiophylla (square), G. longipes (star) and G. mihieri (triangle) in China. The red font represent the molecular samples for this study (e.g. b1 for Glabrella bogaoi-1, etc).

Fig. 2. The Bayesian phylogenetic trees from the analyses of the combined data of the ITS and chloroplast trnL-F regions. ML bootstrap support/BI posterior probability values (>0.5 or 50%) are shown below and above the branch respectively around the corresponding node. Glabrella bogaoi are highlighted in bold. The superscript at the end of the taxon names represent the molecular sample number of the species, corresponding to Table 1.

Fig. 3. Glabrella bogaoi. A. Habitat. B. Habit. C. Flower front view. D. Flower side view. E. Corolla inside view. F. Pistil. G. Calyx. H. Fertile stamens. I. Bracts. J. Annular disc. K. Stigma. L. Fruit.