Platanthera

The genus Platanthera belongs to the subfamily Orchidoideae of the family Orchidaceae, and comprises about 150 species of orchids. The members of this genus, known as the butterfly orchids or fringed orchids, were previously included in the genus Orchis, which is a close relative. They are distributed throughout the temperate regions of the Northern Hemisphere. They are terrestrial and have tubercules. The genomes of Platanthera zijinensis and Platanthera guangdongensis have been sequenced as model species to study partial and full mycoheterotrophy.

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