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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.
This is a perennial grass that forms clumps of stems reaching 1 to 1.5 meters (3 ft 3 in to 4 ft 11 in) in maximum height. The leaves are up to 46 centimeters (18 in) long. The inflorescence is a panicle with one branch that is up to 15 centimeters (5.9 in) long and lined on one side with two rows of spikelets. Each spikelet is roughly 1 centimeter (0.39 in) long.
Text excerpted from the Wikipedia article Ctenium aromaticum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
