Muhlenbergia sylvatica

(Torn) Torr. ex A. Gray
Common names: Woodland muhly Muhlenbergie des bois
Endemic
Synonyms: Muhlenbergia sylvatica var. robusta Attenuata
Treatment appears in FNA Volume 25. Treatment on page 160.
Revision as of 17:58, 11 May 2021 by imported>Volume Importer
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Plants perennial; rhizomatous. Culms 40-110 cm tall, 1-2 mm thick, erect; internodes puberulent for most of their length, strigose below the nodes. Sheaths glabrous and smooth for most of their length, scabridulous distally, margins hyaline; ligules 1-2.5 mm, membranous, truncate, lacerate-ciliolate; blades 5-18 cm long, 3-7 mm wide, flat, scabrous to scabridulous, occasionally smooth. Panicles terminal and axillary, 6-21 cm long, 0.2-1 cm wide, narrow, not dense; axillary panicles usually exserted at maturity; branches 0.8-6 cm, ascending to closely appressed; pedicels 0.8-3.5 mm, strigose. Spikelets 2.2-3.7 mm. Glumes subequal, 1.8-3 mm, nearly as long as the lemmas, 1-veined, tapering from near the base, apices scabridulous, acuminate, unawned or awned, awns to 1 mm; lemmas 2.2-3.7 mm, lanceolate to narrowly lanceolate, hairy on the calluses, lower 1/2 of the midveins, and margins, hairs 0.2-0.5 mm, apices scabridulous, acuminate, awned, awns 5-18 mm, purplish; paleas 2-3.5 mm, lanceolate, proximal 1/2 shortly pilose, apices scabridulous, acuminate; anthers 0.4-0.8 mm, yellow. Caryopses 1.4-2 mm, fusiform, brown. 2n = 40.

Distribution

Conn., N.J., N.Y., W.Va., Del., D.C., Wis., Ont., Que., N.H., Tex., N.C., Tenn., Pa., Kans., Nebr., Okla., S.Dak., R.I., Va., Mass., Maine, Vt., Ala., Ark., Ill., Ga., Ind., Iowa, Ariz., Md., Ohio, Mo., Minn., Mich., Miss., S.C., Ky.

Discussion

Muhlenbergia sylvatica grows in upland forests, along creeks and hollows, on rocky ledges derived from sandstone, shale, or calcareous parent materials, moist prairies, and swamps, at elevations from 30-1500 m. It is restricted to the Flora region, its primary range being southeastern Canada and the midwestern and eastern United States. Reports from British Columbia were based on a misidentification (Douglas et al. 2002). The record from Arizona is based on the report in Kearney and Peebles (1951) of a collection made by Toumey at Grapevine Creek in the Grand Canyon.

Selected References

None.

Lower Taxa

None.
... more about "Muhlenbergia sylvatica"
Paul M. Peterson +
(Torn) Torr. ex A. Gray +
Woodland muhly +  and Muhlenbergie des bois +
Conn. +, N.J. +, N.Y. +, W.Va. +, Del. +, D.C. +, Wis. +, Ont. +, Que. +, N.H. +, Tex. +, N.C. +, Tenn. +, Pa. +, Kans. +, Nebr. +, Okla. +, S.Dak. +, R.I. +, Va. +, Mass. +, Maine +, Vt. +, Ala. +, Ark. +, Ill. +, Ga. +, Ind. +, Iowa +, Ariz. +, Md. +, Ohio +, Mo. +, Minn. +, Mich. +, Miss. +, S.C. +  and Ky. +
Muhlenbergia sylvatica var. robusta +  and Attenuata +
Muhlenbergia sylvatica +
Muhlenbergia +
species +