Snapdragon

[…]of kitchen-gardens, and straight herb-borders, and warm snap-dragon beset by bees;

Snapdragon leaves are asymmetrical with respect to dorsal-ventral surfaces (Fig. 6.6A).

2000, Margaret Roberts, Edible & Medicinal Flowers, New Africa Books (The Spearhead Press), page 72, The snapdragon is indigenous to Europe and has been a much loved garden plant since before the Middle Ages, when it was considered an antidote against witchcraft.

Modern snapdragons aren't usually grown for their scent, although some do smell slightly spicy.

He bore a ſtrange kind of Appetite to Snap-dragon, and to the livid Snuffs of a burning Candle, which he would catch and ſwallow with an Agility, wonderful to conceive; [...]

"And now for snap-dragon," said Marian. "Exactly as you predicted, Mr. Graham," said Madeline; "blind-man's buff at a quarter past three, and snap-dragon at five."

From the 16th to 19th centuries, no Christmas Eve celebration was complete without a hearty game of Snapdragon in the parlor.

2014, Sabrina Jeffries, When Sparks Fly, Simon & Schuster (Pocket Star Books), unnumbered page, "I hope we play snapdragon," eight-year-old Timothy Metcalf said. "I wish we could," Ellie said, "but I doubt Papa will allow it. He'll say snatching raisins from a burning bowl of brandy is too dangerous." "But snapdragon is a Christmas tradition!" protested Percy.