Anatomical Anomaly: Not a Real Heart

For centuries, the stylized heart shape has been used to represent affection and love, yet it looks nothing like the muscular organ beating in our chests. While ancient civilizations, including the Egyptians and Greeks, recognized the heart as the center of emotion, intelligence, or the soul, their depictions of the actual organ in medical texts or art were anatomically more accurate, resembling a pinecone or an upside-down form, quite different from the modern symbol.

The Mysterious Silphium Plant

One compelling theory traces the origin of the heart symbol to an ancient plant called silphium, a species of giant fennel that grew near the Greek colony of Cyrene in North Africa. The plant was highly prized by the Greeks and Romans for its medicinal properties, culinary uses, and, notably, as an ancient form of birth control and aphrodisiac. The seedpod of the silphium plant bore a striking resemblance to the modern heart shape, leading some historians to believe its association with love and intimacy helped popularize the symbol.

Foliage, Fidelity, and Courtly Love

Another theory suggests the heart shape evolved from the depiction of ivy or fig leaves, which were symbols of fidelity and fertility in ancient Greco-Roman times. However, the symbol truly solidified its romantic meaning in the Middle Ages. Early recognizable heart shapes began appearing in medieval illuminated manuscripts and religious art, symbolizing true faith or divine love. By the 13th and 14th centuries, particularly within the context of courtly love, the heart was explicitly depicted as a token of affection, with notable examples like the French manuscript 'Roman de la Poire' showing a man offering a heart to his beloved.

The Renaissance and Beyond

By the 15th century, the heart symbol had largely assumed its familiar upright form, eventually appearing as a suit on playing cards. Its popularity surged during the Renaissance with the advent of printing, making its dissemination in art, literature, and decorations more widespread. By the 18th and 19th centuries, especially with the rise of Valentine's Day cards, the heart symbol became firmly entrenched as the universal emblem of romantic love and affection we know today.