菟 ㄊㄨ ˋ tù 丝 ㄙ sī 子 ㄗ ˇ zǐ 菟 ㄊㄨ ˋ tù 絲 ㄙ sī 子 ㄗ ˇ zǐ dodder (Cuscuta sinensis, a parasitic vine with seeds used in medicine)