1963 124 420/1 A second substance stored is calcium oxalate, which occurs as raphide crystals in idioblastic parenchyma cells.
1978 K. Esau (ed. 2) xiii. 206/2 Mucilage cells often include raphide crystals.
1989 148 130 An in vivo system was developed to examine raphide crystal bundle formation in the root of intact plants.