Ryuuyou Kannon (Guanyin of willow leaves) 57x33cm Painting: Sumi, Mineral pigments, Gold Keywords: Buddhism, Guanyin, medicine, willow Ryuuyou Kannon (柳葉観音) is one of the thirty-three forms of Kannon bosatsu (Guanyin), holding a leaf of the willow tree (Salix spp.), which naturally yields salicylic acid (cf. aspirin) and used as medicine. Topics: Divinity, Plant