Figure 2 from: Wu L, Wang B-M, Pan B, Yu X-L (2019) Spiradiclis tubiflora (Rubiaceae), a new cave-dwelling species from southern China. In: Cai J, Yu W-B, Zhang T, Li D-Z (Eds) Revealing of the plant diversity in China's biodiversity hotspots. PhytoKeys 130: 217-224. https://doi.org/10.3897/phytokeys.130.34625

Figure 2 Spiradiclis tubiflora. A Habitat (the arrow shows the place of growth) B Habit C Stipule D Inflorescence, lateral view E Flower, lateral view F Corolla opened to show floral parts G Capsules, frontal view H Capsules, lateral view I Matured capsules with four valves. Flowers of selected Spiradiclis species, lateral views: JS. longipedunculataKS. fuscaLS. malipoensisMS. baishaiensisNS. glabraOS. coccinea. Scale bars: 1 cm (B, D, E, F, K, L, M, N, O); 3 mm (C, G, H, I, J). Photos by Bo Pan, Jing Liu and Lei Wu.