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Ctenium aromaticum
''Ctenium aromaticum'' is a species of grass known by the common name toothache grass. It is native to the southeastern United States, where it grows on the coastal plain.〔(''Ctenium aromaticum''. ) Grass Manual Treatment.〕
This is a perennial grass that forms clumps of stems reaching 1 to 1.5 meters in maximum height. The leaves are up to 46 centimeters long. The inflorescence is a panicle with one branch that is up to 15 centimeters long and lined on one side with two rows of spikelets. Each spikelet is roughly a centimeter long.〔
It is not known whether or not the grass was ever used as a remedy for toothache. It has, however, been used as a sialagogue, an agent that increases saliva. The crushed roots have a strong scent.〔Austin, D. F. and P. N. Ionychurch. ''(Florida Ethnobotany. )'' CRC Press 2004.〕 The lower part of the stem produces a numbing sensation when it is chewed.〔(''Ctenium aromaticum''. ) USDA NRCS Plant Fact Sheet.〕 The agents responsible for this action are isobutylamides.〔Gamboa-Leon, R. and W. S. Chilton. (2000). (Isobutylamide numbing agents of toothache grass, ''Ctenium aromaticum''. ) ''Biochemical Systematics and Ecology'' 28 1019-1021.〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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