|Place of origin||Japan|
|Main ingredients||Mochi, fruit of Gardenia jasminoides, water caltrop, Gnaphalium affine|
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Hishi mochi (菱餅 ひしもち) is a symbolic Japanese sweet associated with the Hinamatsuri "Girl's Day" festival, which coincides with the calendar date for Xiuxi (上巳). The sweet is rhomboid in shape and typically formed from three layers of red (pink), white, and green mochi, from top to bottom. Depending on region, the red may be substituted with yellow, or the sweet may have 5 or 7 layers instead. It is usually presented with hina dolls.
The shape is believed to have originated in the Edo period, and to be a representation of fertility.
The red of the mochi are derived from fruits of Gardenia jasminoides (山梔子), and is symbolic of plum flowers. The white is made from the water caltrop (菱, hishi), and represents the snow and its cleansing effects. Finally, the green is from Gnaphalium affine (ハハコグサ) or mugwort like kusa mochi, and is believed to be a restorative that improves the blood.