Rungiafangdingiana (Acanthaceae), a new species from Guangxi, China

Zhe-Li Lin; Yun-Hong Tan; Yun-Feng Huang; Yun-Fei Deng

doi:10.3897/phytokeys.202.86653

Rungiafangdingiana (Acanthaceae), a new species from Guangxi, China

PhytoKeys. 2022 Jul 28:202:97-105. doi: 10.3897/phytokeys.202.86653. eCollection 2022.

Authors

Zhe-Li Lin¹, Yun-Hong Tan^{2

3}, Yun-Feng Huang⁴, Yun-Fei Deng^{1

3

5}

Affiliations

¹ Key Laboratory of Plant Resources Conservation & Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China South China Botanical Garden, Chinese Academy of Sciences Guangzhou China.
² Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, 666303, Yunnan, China Tropical Botanical Garden, Chinese Academy of Sciences Menglun China.
³ Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar Research Institute, Chinese Academy of Sciences Nay Pyi Taw Myanmar.
⁴ Guangxi Institute of Traditional Medical and Pharmaceutical Sciences, No. 20-1, Dongge Lu, Qingxiu Qu, Nanning, 530022, Guangxi, China Guangxi Institute of Traditional Medical and Pharmaceutical Sciences Nanning China.
⁵ Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China Core Botanical Gardens, Chinese Academy of Sciences Guangzhou China.

Abstract

Rungiafangdingiana, a new species of Acanthaceae from Guangxi, China is described and illustrated. This new species belongs to Rungiasect.Rungia, and resembles R.sinothailandica and R.burmanica in the erect perennial herbaceous habit, elliptic leaves and inflorescence form, but differs mainly by the indumentum and the morphology of the bracts and corolla. The pollen and seed micromorphology of this new species are studied, with photographs and a line drawing provided.

Keywords: SEM; limestone; taxonomy; tricolporate pollen.

Zhe-Li Lin, Yun-Hong Tan, Yun-Feng Huang, Yun-Fei Deng.