The genus Tricyrtis has more species than Leitneria.
Leitneria floridana (corkwood), the sole species in the genus Leitneria, is a deciduous dioecious shrub or small tree, found only in the southeastern United States states of Arkansas, Florida, Georgia, Missouri and Texas. 
Tricyrtis is a genus of Asian flowering plants in the lily family, with approximately 20 known species. 
