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Leuzea
A plant genus of the family ASTERACEAE. ECDYSONE has been found in seeds of some members.
Year introduced: 2004
Erwinia rhapontici [Supplementary Concept]
Date introduced: November 22, 2019
Rheum
A plant genus of the family POLYGONACEAE. Members contain chrysophanic acid, rhein, EMODIN, and other ANTHRAQUINONES. The roots were formerly used as PURGATIVES.
Year introduced: 2004(1963)
Leuzea repens [Supplementary Concept]
a source of REPIN, a sesquiterpene lactone, which is linked to toxic parkinsonism NIGROPALLIDAL ENCEPHALOMALACIA in grazing animals.
Date introduced: July 27, 2023