Difference between revisions of "Muhlenbergia sobolifera"
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|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia sobolifera | |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia sobolifera | ||
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Chloridoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Cynodonteae]]</div><div class="higher-taxon"><small>genus</small>[[Muhlenbergia]]</div><div class="higher-taxon"><small>species</small>[[Muhlenbergia sobolifera]]</div></div> | |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Chloridoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Cynodonteae]]</div><div class="higher-taxon"><small>genus</small>[[Muhlenbergia]]</div><div class="higher-taxon"><small>species</small>[[Muhlenbergia sobolifera]]</div></div> | ||
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Latest revision as of 14:41, 14 December 2022
Plants perennial; rhizomatous, usually not cespitose. Culms 25-95 cm tall, 0.8-1.5 mm thick, erect or ascending; internodes smooth, shiny, and glabrous for most of their length, scabridulous immediately below the nodes. Sheaths glabrous, margins hyaline; ligules 0.3-1 mm, membranous, truncate, ciliolate; blades 4-16 cm long, 2-7 mm wide, flat, glabrous, usually smooth, occasionally scabridulous. Panicles 4-18 cm long, 0.2-0.8 cm wide, narrow, usually exserted; axillary panicles usually exserted, sometimes partially included in the subtending sheath; primary branches 0.6-4 cm, ascending to appressed; pedicels 0.3-1.6 mm, strigose. Spikelets 1.6-3 mm, erect, overlapping the next spikelet on the branch by 1/2 its length. Glumes equal to subequal, 1-2.5 mm, much shorter than the florets, scabridulous (particularly over the veins), 1-veined, narrowing from above the broad, overlapping bases to the acute apices, unawned or awned, awns to 1 mm; lemmas 1.6-2.8 mm, lanceolate, hairy on the calluses, lower 1/2 of the midveins, and margins, hairs 0.3-0.5 mm, apices acuminate, unawned or awned, awns to 1 mm; paleas 1.6-2.9 mm, lanceolate, basal 1/2 with hairs shorter than 1. 5 mm, apices scabridulous, acuminate; anthers 0.4-1 mm, yellow. Caryopses 1-1.5 mm, fusiform, brown. 2n = 40.
Distribution
Conn., N.J., N.Y., Del., D.C., Wis., W.Va., Ont., N.H., Tex., N.C., Tenn., Pa., Mass., R.I., Vt., Va., Md., Ala., Ark., Ill., Ga., Ind., Iowa, Maine, Kans., Nebr., Okla., Ohio, Mo., Minn., Miss., Ky.
Discussion
Muhlenbergia sobolifera grows in dry upland forests, oak woodlands, and on rock outcrops of sandstone, chert, or limestone formations, at elevations of 0-1200 m. It is restricted to the Flora region.
Selected References
None.