A new and distinct variety of seedless lemon tree named `Yellow Star Seedless` characterized by being a triploid, and having early bearing in August through to about January in the citrus areas of Sicily, Italy and Riverside, Calif. The tree has high yields and bears from year three onwards. The trees are highly tolerant to the Mal secco disease. The variety is further characterized by being genetically seedless. The fruit is well sized and has acceptable rind thickness, acid-sugar ratios and color. The skin has a smooth texture and the fruit stores well. The fruit has an average juice content of 30-40% at harvest. The fruit shape is typically ovoid.