Question

Lemon
A fruiting lemon tree. A blossom is also visible.
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Sapindales
Family:	Rutaceae
Genus:	Citrus
Species:	C. × limon
Binomial name
Citrus × limon, often given as C. limon (L.) Burm.f.

Lemon, raw, without peel

Nutritional value per 100 g (3.5 oz)
Energy	121 kJ (29 kcal)
Carbohydrates	9.32 g
Sugars	2.5 g
Dietary fiber	2.8 g
Fat	0.3 g
Protein	1.1 g
Vitamins
Thiamine (B1)	(3%) 0.04 mg
Riboflavin (B2)	(2%) 0.02 mg
Niacin (B3)	(1%) 0.1 mg
Pantothenic acid (B5)	(4%) 0.19 mg
Vitamin B6	(6%) 0.08 mg
Folate (B9)	(3%) 11 μg
Choline	(1%) 5.1 mg
Vitamin C	(64%) 53 mg
Minerals
Calcium	(3%) 26 mg
Iron	(5%) 0.6 mg
Magnesium	(2%) 8 mg
Manganese	(1%) 0.03 mg
Phosphorus	(2%) 16 mg
Potassium	(3%) 138 mg
Zinc	(1%) 0.06 mg
Link to USDA Database entry
Units μg = micrograms • mg = milligrams IU = International units
Wikipedia