Nobel P. S., Parenchyma-chlorenchyma water movement during drought for the hemiepiphytic cactus Hylocereus undatus, Annals of Botany, 2006, 97(3):469-474, doi: 10.1093/aob/mcj054
Differences in wall compliance and hydration changes in water-storage parenchyma and chlorenchyma during six weeks of drought.