This orchid may be found in the woods and mountain meadows on rich, humus soil. It is a perennial plant, a bulbous geophyte, up to 40 cm high. The stem is short and tubular bearing an inflorescence of yellow or purple flowers.
This genus has traditionally been treated in the ditypic family Hippocastanaceae along with Billia,but recent phylogenetic analysis of morphological and molecular datahas led to this family, along with the AceraceaeMaples and Dipteronia, being included in the soapberry family (Sapindaceae). (source: Wikipedia)