Chalkiness of endosperm Clk Describes the extent to which milled (polished, white) rice appears to be a chalky white colour as opposed to translucent white. The chalky appearance arises from the incomplete development of starch grains in the endosperm, which leaves tiny air pockets between starch granules and results in weak grains Endosperm Chalkiness variable_of entity method_of scale_of attribute acronym