lemon geranium(n = noun.plant) pelargonium limoneum - a common garden geranium with lemon-scented foliage;
is a kind of geranium
is a member of genus pelargonium, pelargonium

apple geranium, bedding geranium, beefsteak geranium, bitter lemon, dove's foot geranium, feather geranium, fish geranium, genus geranium, geranium, geranium family, geranium maculatum, geranium molle, geranium pratense, geranium richardsonii, geranium robertianum, geranium viscosissimum, hanging geranium, ivy geranium, ivy-leaved geranium, lemon, lemon balm, lemon butter, lemon cheese, lemon curd, lemon drop, lemon extract, lemon grass, lemon grove, lemon juice, lemon lily, lemon meringue pie, lemon mint, lemon oil, lemon peel, lemon rind, lemon shark, lemon sole, lemon sumac, lemon tree, lemon yellow, lemon zest, mint geranium, nutmeg geranium, plains lemon monarda, richardson's geranium, rock geranium, rose geranium, sea lemon, sticky geranium, strawberry geranium, sweet lemon, sweet-scented geranium, water lemon, wild geranium, wild water lemon