Taxonomic studies of Glochidion (Phyllanthaceae) from the Indo-China Peninsula (II): The identities of G.anamiticum and G.annamense

Gang Yao; Zhuqiu Song; Youheng Wu; Nguyen Thi Kim Thanh; Yuling Li; Shi Shi; Shixiao Luo

doi:10.3897/phytokeys.114.30725

Taxonomic studies of Glochidion (Phyllanthaceae) from the Indo-China Peninsula (II): The identities of G.anamiticum and G.annamense

PhytoKeys. 2018 Dec 13:(114):1-9. doi: 10.3897/phytokeys.114.30725. eCollection 2018.

Authors

Gang Yao¹, Zhuqiu Song², Youheng Wu^{2

3}, Nguyen Thi Kim Thanh⁴, Yuling Li¹, Shi Shi¹, Shixiao Luo²

Affiliations

¹ South China Limestone Plants Research Center, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China South China Agricultural University Guangzhou China.
² Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 516650, China South China Botanical Garden, Chinese Academy of Sciences Guangzhou China.
³ University of Chinese Academy of Sciences, Beijing 1000049, China University of Chinese Academy of Sciences Beijing China.
⁴ Department of Botany, Faculty of Biology, HNU Herbarium, VNU University of Science, Vietnam VNU University of Science Hanoi Vietnam.

Abstract

The names Glochidionanamiticum (Kuntze) Kuntze ex Merrill and G.annamense Beille were previously reduced to synonyms of G.eriocarpum Champ. ex Benth. However, literature examination and morphological comparison suggest that G.annamense is conspecific with G.anamiticum and the species can be readily distinguished from G.eriocarpum by its styles connate into a long cylindric column and up to 3 mm long, ovaries usually 3-locular, stigma usually 3-lobed, capsules pubescent and usually 6-grooved, persistent styles 3‒4 mm long. Thus, the specific status of G.anamiticum is here reinstated and G. annamense is treated as its synonym.

Keywords: Glochidion; Phyllanthaceae; Taxonomy; Vietnam.