[1] Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Sch Life Sci, Guangdong Prov Key Lab Plant Resources, Guangzhou 510275, Guangdong, Peoples R China
[3] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
[4] Shenzhen Paleontol Museum, Key Lab Southern Subtrop Plant Divers, Shenzhen 518004, Peoples R China
[5] Shenzhen Fairylake Bot Garden, Shenzhen 518004, Peoples R China
[6] Russian Acad Sci, VL Komarov Bot Inst, St Petersburg 197376, Russia
[7] Univ Johannesburg, Dept Bot & Plant Biotechnol, ZA-2006 Johannesburg, South Africa