Ctenium aromaticum

(Walter) Alph. Wood
Common names: Toothache grass
Treatment appears in FNA Volume 25. Treatment on page 234.
Revision as of 21:33, 16 December 2019 by FNA>Volume Importer

Plants perennial; densely cespitose, without rhizomes. Culms 1-1.5 m, erect. Sheaths persistent, smooth to scabridu-lous, becoming fibrous at the base at maturity; ligules 0.8-2.9 mm; blades to 46 cm long, 5.1 mm wide, glabrous abaxially, scabrous adaxially, sometimes also pilose just above the ligules. Panicles with 1 branch; branches 5-15 cm, curved, axes extending slightly beyond the spikelets, distal spikelets reduced. Spikelets 8.5-11 mm. Lower glumes 1-2.1 mm; upper glumes 4.8-6.1 mm, bidentate, with a row of conspicuous glands on either side of the midveins, awns 3.5-4 mm, strongly divergent, often almost perpendicular to it at maturity; lemmas of bisexual florets 4-5 mm, pilose on the lateral veins, awned subapically, awns 3-4 mm, straight or divergent; distal lemmas sterile, unawned. 2n = unknown.

Distribution

Va., N.J., Ga., La., Ala., N.C., S.C., Miss., Fla.

Discussion

Ctenium aromaticum is a common species that grows in wet to moist pine flatwoods, savannahs, prairies, pitcher plant bogs, and ecotones between pine uplands and wet streamheads of the southeastern coastal plain. It furnishes fair forage, and the roots are spicy when freshly dug.

Selected References

None.

Lower Taxa

None.