生態，進化

　野生しているマルバアサガオ (Ipomoea purpurea) や アメリカサガオ (Ipomoea hederacea) を対象に生態，進化などの研究がある。


文献

1. Ennos, R.A. (1981) Quantitative studies of the mating system in two sympatric species of Ipomoea (Convolvulaceae). Genetica 57: 93-98.
   
2. Stucky, J.M. (1984) Forager atraction by sympatric Ipomoea hederacea and I. purpurea (Convolvulaceae) and corresponding forager behavior and energetics. Amer. J. Bot. 71: 1237-1244.
   
3. Stucky, J.M. (1985) Pollination system of sympatric Ipomoea hederacea and I. purpurea and the significance of interspecific pollen flow. Amer. J. Bot. 72: 32-43.
   
4. Simms, E.L. and Bucher, M.A. (1996) Pleiotropic effects of flower-color intensity on herbivore performance on Ipomoea purpurea. Evolution 50: 957-963.
   
5. Mojonnier, L.E. and Rausher, M.D. (1997) Selection on a floral color polymorphism in the common morning glory (Ipomoea purpurea): The effects of overdominance in seed size. Evolution 51: 608-614.
   
6. Fineblum, W.L. and Rausher, M.D. (1997) Do floral pigmentation genes also influence resistance to enemies? The W locus in Ipomoea purpurea. Ecology 78: 1646-1654.