There is a single green, heart-shaped, ground-hugging leaf at the base of the flowering stem. The thin flowering stem bears one to a few flowers with the column at the top. The flowers are usually pale coloured with an erect dorsal sepal and spreading lateral sepals and petals.
In this description, there is a prominent, green, heart-shaped leaf at the base of the flowering stem, supporting a single or a few flowers with distinctive features such as an erect dorsal sepal and spreading petals.