The Collaborative International Dictionary
Yellowwort
Yellowwort \Yel"low*wort`\, n. (Bot.) A European yellow-flowered, gentianaceous ( Chlora perfoliata). The whole plant is intensely bitter, and is sometimes used as a tonic, and also in dyeing yellow.
Wiktionary
yellowwort
alt. (taxlink Blackstonia perfoliata species noshow=1), a gentianaceous plant with bright yellow flowers. n. (taxlink Blackstonia perfoliata species noshow=1), a gentianaceous plant with bright yellow flowers.