This lemon fruit is a species of little evergreen tree in the Citrus category of the blooming flora family genus Rutaceae. A true lemon exists as a cross of the citron fruit and the Citrus aurantium. March 5, 2024 The best Meyer lemon recipes feature lemon pastas, Meyer lemon sweets, and recipes for salmon and fowl with Meyer lemons. Related questions: What is the complete healthiest nut