Literature Reference: 天马常衔苜蓿花，胡人岁献葡萄酒。—— 《杂感》 Heavenly horses often carry clover flowers, while the Hu people annually offer grape wine. Source from 'Za Gan'.
苜: Alfalfa, a perennial herbaceous plant.
蓿: See [Alfalfa].
Meaning: In ancient times, clover was regarded as precious forage, symbolizing abundance and vitality.