Leiomitra patriciana (Trichocoleaceae), a new species from Papua New Guinea

A new species of the family Trichocoleaceae, Leiomitra patriciana T. Katag., is described based on herbarium material collected from Papua New Guinea. The species is characterized by the following features: (1) the regularly to rather irregularly 1-pinnate ramification pattern; (2) sublongitudinal leaf insertion; (3) well-differentiated (anisophyllous) leaves and underleaves; (4) superficial cilia on the leaf disc; and (5) paraphyllia on the stem. A key to the species of Leiomitra is also provided.