Tirpitzia Species

Xie, Da-Jun, Li, Jin-Xiao, Peng, Shu-Ming, Deng, Tan, Wei, Ruo-Xun, Dou, Quan-Li & Zhang, Renbo, 2023, Tirpitzia meiguensis (Linaceae), a new species from southwest Sichuan (China), Phytotaxa 626 (1), pp. 51-59 : 54

Key to Tirpitzia Species

1. Herb-like semi-shrub, leaf margin toothed, seeds without a membranous wing .......................................................... T. meiguensis

1. Subshrubs, shrubs, or small trees, leaf margin entire, seeds with a membranous wing

2. Corolla pink, lobes fused at the base forming a tube 2.8–3.3 cm long, styles 2, ovary 2- locular................................. T. bilocularis

2. Corolla white, lobes free, styles 4 or 5, ovary 4- or 5-locular

3. Styles 4, ovary 4-locular, leaves obovate, chartaceous to subcoriaceous........................................................................... T. sinensis

3. Styles 5, ovary 5-locular, leaves elliptic, chartaceous ......................................................................................................... T. ovoidea