Journal Article 4 pollen-pistil interactions Research Support, U.S. Gov't, Non-P.H.S. 3 self-incompatibility 3 Solanum habrochaites 2 wild tomato species 2 EC 3.1.- 1 mehr ... Mimulus guttatus (monkeyflower) 1 Phlox drummondii 1 Plant Proteins 1 Research Support, N.I.H., Extramural 1 Ribonucleases 1 SI × SC rule 1 endosperm 1 hybrid inviability 1 interpopulation interactions 1 interspecific incompatibility 1 interspecific reproductive barriers 1 intrapopulation reproductive barrier 1 mating system 1 mating system transition 1 pollen-pistil adhesion 1 postzygotic isolation 1 reproductive barriers 1 seed development 1 self-compatibility 1 unilateral incompatibility 1 weniger ...