Tangerine

Tangerine vs. mandarin vs. clementine

These names overlap so much they’re often used interchangeably, but they’re not identical:

• Mandarin (Citrus reticulata) — the parent species; small, sweet, easy to peel. The umbrella term for an entire group.
• Tangerine — a subset of mandarins, originally referring to fruits shipped from the Moroccan port of Tangier in the 19th century. Slightly redder and more tart than other mandarins.
• Clementine — a hybrid mandarin × sweet orange, created in Algeria around 1900. Seedless, very sweet.
• Satsuma — a Japanese mandarin variety; loose-skinned, very sweet, the easiest to peel.

In practice, U.S. supermarkets call most small loose-skinned citrus “tangerines” or “Cuties” (a brand name for clementines). Specific varietal differences are subtle and most casual eaters don’t distinguish them.

A foundational citrus

Modern citrus is mostly a tangle of hybrids descended from a small number of ancestral species — and mandarin is one of the most influential parents. Most familiar citrus fruits trace their sweetness, ease of peeling, or aromatic compounds to mandarin ancestry:

• Sweet orange = mandarin × pomelo
• Lemon = bitter orange (citron + mandarin × pomelo) × citron
• Grapefruit = pomelo × sweet orange
• Lime = several mandarin-citron-citron-citron crosses

The tangerine itself is closer to its wild ancestor than these hybrids — a relatively pure mandarin lineage.

A Christmas tradition

In many Northern Hemisphere countries, tangerines (or oranges) in Christmas stockings became a tradition during the Great Depression in the U.S. and earlier in Europe — when fresh citrus was an exotic, expensive midwinter luxury. Receiving an orange in your stocking signaled a parent’s effort and care.

The tradition continues in many families even after fresh citrus became year-round and cheap. Grandparents in the U.S. and U.K. often still tuck a tangerine into a Christmas stocking specifically because their own grandparents did so as a meaningful gift.

The tangerine, in chemistry

Tangerine peel is rich in limonene (a fragrant terpene) and gives it the bright citrusy aroma. The thin, loose peel makes tangerine zest particularly useful in cooking — grating off just the orange layer (the flavedo), avoiding the bitter white pith underneath.

Tangerine essential oil is widely used in perfumery and aromatherapy; the cold-pressed oil from the peel is one of the more affordable citrus oils.