Rough lemon cv. (Witzenhausen) rootstock - Rough lemon - in Brazil used as rootstock. Large plant, numerous small thorns. Flowers smaller than Lemon, very similar to tangerine streaked with viletto. Fruits medium-sized almost round. Coarse bush of lemon-yellow color. Slightly acidic flesh light yellow in color that can reach light orange. Native to India. Also used as pora graft, resistant to nematodes “Radopholus similis *.