Figure 2.
Study organisms. (A) – A flowering individual of Roscoea purpurea in its natural habitat, (B) – Philoliche longirostris, an obligate pollinator of R. purpurea sipping nectar from the flower of R. purpurea, (C) – compatibility between nectar distance in the corolla tube of R. purpurea and tongue length of P. longirostris.