Figure 1.
Colour photo (left), UV-photo (middle), and false colour photo in bee view (right) of (a–c) disc nectary in Saxifraga melanocentra, (d–f) two glossy protuberances per petal in S. signata, (g–i) ring of glossy basal parts of petals in Anaphalis nepalensis, (j–l) glossy tips of staminodes in Parnassia wightiana, (m–o) dark, glossy petal base in Codonopsis graminifolia, and (p–r) glossy tips staminodes in Trollius yunnanensis. Arrows in the UV-photos indicate glossy areas. The photos were taken on Yulong Snow Mountain and Baima Snow Mountain in China (Yunnan).