Ericaceae
pollination system
reproductive assurance
Rhododendron
ferrugineum
stamen development
stamen size
Pontederia-cordata
breeding system
alpine
evolution
primula
pollen
preformation
biology
growth
traits
[SDE.BE] Environmental Sciences/Biodiversity and Ecology
[SDV.BID] Life Sciences/Biodiversity
[SDV.EE] Life Sciences/Ecology, environment