Parnassia palustris, Parnassiaceae (Pterodactylus69) Tags: white mountain alps flower blanco fleur branco flor alpine stamen nectar alpen botany blume blte weiss blanc botanica filament alpin nektar anther pollination montan botanik stamina anthere montane staminode bestubung staubblatt parnassiaceae celastrales staminodium polinisacion