Liparis

Liparis, commonly known as widelip orchids, sphinx orchids or 羊耳蒜属 (yáng'ěrsuàn shǔ) is a cosmopolitan genus of more than 350 species of orchids in the family Orchidaceae. Plants in this genus are terrestrial, lithophytic or epiphytic herbs with a wide range of forms. The flowers are usually resupinate and small to medium sized, yellow, yellow-green or purplish with spreading sepals and petals. The labellum is usually larger than the sepals and petals and is lobed, sometimes with a toothed or wavy margin and one or two calli at its base....read more on Wikipedia.