Long Leaf Wedgescale

Sphenopholis filiformis (Chapm.) Scribn. Rhodora 8: 144. 1906
Eatonia pennsylvanica var. filiformis Chapm. Fl. S. U. S. 560. 1860.
Eatonia filiformis Vasey, Bot. Gaz. 11: 117. 1886. (Based on Ealonia pennsylvanica var. filiformis
Chapm.) Eatonia hyhrida Vasey; Beal, Grasses N. Am. 2: 491. 1896. (Type from Florida, Curtiss in 1886.) Reboulea filiformis Farwell, Rep. Mich. Acad. 17: 182. 1916. (Based on Ealonia pennsylvanica var.
filiformis Chapm.)
Culms tufted, erect, glabrous, very slender, 30-60 cm. tall; sheaths glabrous, or the lower more or less pubescent or pUosc; ligule obtuse, erose or ciliate, 0.5-1 mm. long; blades slender, lax, flat to subinvolute, or even closely involute, glabrous beneath, scabrous on the upper surface, or, especially the lower, more or less pubescent, elongate, mostly less than 2 mm. wide; panicle slender, loose, often nodding, 5-15 cm. long, the slender axis somewhat scaberulous, the capillary branches rather distant, scabrous, erect or ascending, mostly floriferous from near the base; spikelets 3-4 mm. long, 2-flowered or 3-flowered, the rachilla-joint between the first and second florets about 0.8 mm. long, scaberulous; glumes nearly glabrous, the first narrow, a little shorter than the second; second glume broadly rounded above, acutish, 2 mm. long or a little more; first lemma about 2.5 mm. long, smooth or nearly so; second lemma smaller, scabrous; palea prominent. Inroad above, scabrous on the keels. Type locality: Florida {Chapman).
Distribution: Dry soil, on the coastal plain, North Carolina to Florida, Tennessee, and eastern Texas.

Perennials, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly basal, below middle of stem, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath hairy, hispid or prickly, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades very narrow or filiform, less than 2 mm wide, Leaf blade margins folded, involute, or conduplicate, Leaf blades mostly glabrous, Leaf blades more or less hairy, Ligule present, Ligule an unfringed eciliate membrane, Inflorescence terminal, Inflorescence a contracted panicle, narrowly paniculate, branches appressed or ascending, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence lax, widely spreading, branches drooping, pendulous, Flowers bisexual, Spikelets pedicellate, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 2 florets, Spikelets with 3-7 florets, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating below the glumes, Spikelets disarticulating beneath or between the florets, Rachilla or pedicel hairy, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes equal to or longer than adjacent lemma, Glumes keeled or winged, Glumes 1 nerved, Glumes 3 nerved, Lemma similar in texture to glumes, Lemma 5-7 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma mucronate, very shortly beaked or awned, less than 1-2 mm, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea shorter than lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-f id, deeply 2-branched, Stigmas 2, Fruit - caryopsis.