| experimental reproduction of phytobezoars. | in a series of in virtro experiments (n = 64) using the mature flowers or seeds and pappus hairs of karoo bushes chrysocoma ciliata, dimorphotheca cuneata, eriocephalus ericoides, gazania krebsiana and gnidia polycephala, small phytobezoars were formed from material of e. ericoides, g. krebsiana and g. polycephala either alone or in combinations. the ratio of fibre to liquid used was found to be optimal around 1: 7 and milling of material enhanced bezoar formation. time and ph did not appear to ... | 1992 | 1328637 |