Panicum rigidulum subsp. rigidulum

Synonyms: Panicum condensum Panicum agrostoides var. ramosius Panicum agrostoides var. condensum Panicum agrostoides
Treatment appears in FNA Volume 25. Treatment on page 478.

Culms 40-150 cm, rather robust. Sheaths with the throat usually glabrous or sparsely pilose on the sides; ligules 0.3-1 mm, membranous; blades usually 5-12 mm wide, flat, mostly glabrous or scabridulous, bases about equal in width to the subtending sheaths. Panicles terminal and axillary, usually with many spikelets. Spikelets 1.6-2.5 mm long, usually over 0.6 mm wide, crowded, green or purplish-tinged, pedicellate, pedicels short, with 1-several slender hairs near the apices.

Discussion

Panicum rigidulum subsp. rigidulum is the most common, most variable, and widest ranging of the five subspecies.

Selected References

None.

Lower Taxa

None.
Robert W. Freckmann +  and Michel G. Lelong +
Bosc ex Nees +
Conn. +, N.J. +, N.Y. +, W.Va. +, Del. +, D.C. +, Wis. +, B.C. +, N.S. +, Ont. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Ala. +, Kans. +, Ky. +, La. +, Mo. +, Okla. +, Pa. +, Tenn. +, Tex. +, Va. +, Puerto Rico +, N.C. +, S.C. +, Md. +, Calif. +, Miss. +, Ark. +, Ill. +, Ga. +, Ind. +, Mich. +, Ohio +  and Oreg. +
Panicum condensum +, Panicum agrostoides var. ramosius +, Panicum agrostoides var. condensum +  and Panicum agrostoides +
Panicum rigidulum subsp. rigidulum +
Panicum rigidulum +
subspecies +