RESEARCH ARTICLE Ginger and the beetle: Evidence of primitive pollination system in a Himalayan endemic alpine ginger (Roscoea alpina, Zingiberaceae) Babu Ram Paudel1,2,3, Mani Shrestha4,5, Adrian G. Dyer4, Qing-Jun Li6* 1 Key laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan, China, 2 University of Chinese Academy of Sciences, Beijing, China, 3 Department of Botany, Prithvi Narayan Campus, Tribhuvan University, Pokhara, Nepal, 4 School of Media and Communication, RMIT University, Melbourne, Victoria, Australia, 5 Faculty of Information Technology, a1111111111 Monash University, Melbourne, Victoria, Australia, 6 Laboratory of Ecology and Evolutionary Biology, State a1111111111 Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, a1111111111 Yunnan, China a1111111111 a1111111111 *
[email protected] Abstract OPEN ACCESS The Himalayan endemic alpine genus Roscoea, like other members of ginger family, exhib- Citation: Paudel BR, Shrestha M, Dyer AG, Li Q-J its the combination of floral traits that would fit pollination by long distant foragers such as (2017) Ginger and the beetle: Evidence of primitive bees, birds or flies. We studied the pollination biology of Roscoea alpina, observed potential pollination system in a Himalayan endemic alpine floral visitors and determined their foraging behaviour, visitation frequency and pollination ginger (Roscoea alpina, Zingiberaceae). PLoS ONE 12(7): e0180460. https://doi.org/10.1371/journal. efficiency, to seek evidence in support of the pollination syndrome hypothesis. We also pone.0180460 measured the floral spectra of R. alpina flowers to evaluate if signals fit with the currently Editor: Renee M. Borges, Indian Institute of known framework for observed floral visitors.