Erect plants up to 40cm tall. Leaves narrowly lanceolate to linear. Inflorescence slender with 2-25 flowers. Flowers lime-green with purple petals and lip, dorsal sepal angled forwards forming a tube with the petals. Bracts green and leathery and partly obscuring the flowers. Spur slender, cylindrical and acute, 10-16mm long. Lip narrowly oblong.