心叶椴 Traditional form: 心葉椴 Pinyin (reading): xīnyèduàn Definitions: small-leaf linden (Tilia cordata) Characters: 心 - heart; mind; soul 叶 - leaf, page; surname 椴 - aspen, poplar Traditional characters: 心 - heart; mind; soul 葉 - leaf, page; surname 椴 - aspen, poplar