This member of the Dioscoreaceae family was given this name by Henry Hurd Rusby in 1907. It is found in Bolivia, Brazil and Peru growing in a rich but well drained soil with some to lots of water and some sun. The caudex can grow to 30 centimetres in diameter, the entire plant to six metres in height. The flowers are greenish white. Dioscorea is named after Pedianos Dioscorides, a Greek physician if the 1st century A.D. The species name means 'grey-blue, sea-blue, or lavender'.

