Two new species of Paraboea (Gesneriaceae) in Caryota obtusa forests in Southwest China, with compound and simple dichasia, respectively

Yu-Min Shui; Shi-Wei Guo; Li Chen; Wen-Hong Chen

doi:10.3897/phytokeys.157.32534

Two new species of Paraboea (Gesneriaceae) in Caryota obtusa forests in Southwest China, with compound and simple dichasia, respectively

PhytoKeys. 2020 Aug 26:157:207-216. doi: 10.3897/phytokeys.157.32534. eCollection 2020.

Authors

Yu-Min Shui^{1

2}, Shi-Wei Guo^{1

2

3}, Li Chen^{1

4}, Wen-Hong Chen^{1

2}

Affiliations

¹ CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 650201, Yunnan, China Kunming Institute of Botany, Chinese Academy of Sciences Kunming China.
² Karst Conservation Initiative of Yunnan, Kunming 650201, Yunnan, China Karst Conservation Initiative of Yunnan Kunming China.
³ University of Chinese Academy of Sciences, Beijing 100049, China Yunnan University Kunming China.
⁴ School of Life Sciences, Yunnan University, Kunming 650091, Yunnan, China University of Chinese Academy of Sciences Beijing China.

Abstract

Two new species of Gesneriaceae, Paraboea myriantha sp. nov. and P. brevipedunculata sp. nov. are described and illustrated with photos. They grow in the Caryota obtusa forests from Yunnan Province of China. P. myriantha is closely related to P. glutinosa (Hand.-Mazz.) K.Y.Pan, but differs mainly in corolla outside glandular-puberulent, adaxial corolla lobes semicordate, corolla tube obliquely campanulate, and filaments glandular-puberulent. P. brevipedunculata is closely related to P. crassifolia (Hemsley) B. L. Burtt, but different mainly in simple dichasia with 1 and 2 flowers, peduncles 0.5-2 cm long and capsules slightly twisted. The geographical relationship between the two new species and their similar species has been discussed.

Keywords: Dichasia; Karst regions; Paraboea brevipedunculata; Paraboea myriantha; new species.

Yu-Min Shui, Shi-Wei Guo, Li Chen, Wen-Hong Chen.

Grants and funding

supported by the National Natural Science Foundation of China (grants no. 31470306, 31370228, 31000258), and by the Open Project of the Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany (grant no. KLBB201205, KLBB201304).