C. J. Prychid and P. J. Rudall, “Calcium Oxalate Crystals in Monocotyledons: A Review of Their Structure and Systematics,” Annals of Botany, Vol. 84, No. 6, 1999, pp. 725-739. doi:10.1006/anbo.1999.0975

has been cited by the following article:

• TITLE: Variation of Calcium Oxalate (CaOx) Crystals in Porang (Amorphophallus muelleri Blume)

  AUTHORS: Nurul Chairiyah, Nunung Harijati, Retno Mastuti

  KEYWORDS: Porang; Variation; Shape; CaOx Crystals

  JOURNAL NAME: American Journal of Plant Sciences, Vol.4 No.9, August 29, 2013

  ABSTRACT: This research had aimed to determine variations in form of calcium oxalate (CaOx) crystals in porang. Slides for microscopic observation were prepared from sliced leaf, petiole, and tuber of porang. Sliced organs were cleared by using modified clearing method. The parameters that were observed included form and variety of morphology type of CaOx crystals. Microscopic observation showed there were four basic forms of crystals, i.e., druse, raphide, prism and styloid with some variation of diverse types, each of which had 49, 10, 8, and 5 variations. CaOx crystals, based on the size, were grouped into large (20-250 μm) and small (1-15 μm) crystals.