(View exact match)indigoCATEGORY: flora
DEFINITION: A substance obtained as a blue powder from plants of the genus Indigofera, a plant cultivated since ancient times in Africa. It is produced by the decomposition of the glucoside indican. It is the essential component of indigo-blue.
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Maya BlueCATEGORY: artifact
DEFINITION: A blue pigment made by fusing an extract from the plant indigo with a fine white clay polygorskite; the Maya and other Mesoamerican people used this on ceramics, murals, and sculptures.