Green Silkyscale

Anthaenantia villosa (Michx.) Beauv. Agrost. 151. 1812
Phalaris villosa Michx. Fl. Bor. Am. 1 : 43. 1803. Panicum Erianthos Poir. in I,am. Encyc. Suppl. 4 : 284. 1816. Aulaxaiiihus ciliaius EH. Bot. S. C. & Ga. 1 : 102. 1816. Panicum ignoratum Kunth, R^v. Gram. 35. 1829. Oplismenus Erianlhos Kunth, R€v. Gram. 45. 1829.
Smooth and glabrous, green. Stems 5-15 dm. tall, from a running rootstock; leaf -sheaths shorter than the internodes; blades erect, narrowed toward the apex, acute or somewhat obtuse, 3 dm. long or less, 1 cm. wide or less; panicle contracted, 8-20 cm. long, 1-2 cm. broad; spikelets 3-4 mm. long, the 2 outer scales 5-nerved, the hairs about 0.6 mm. long, the second scale equaling or a little shorter than the third which encloses a palet and sometimes also a staminate flower, the fruiting scale about equaling the third.
Type locality : In sandy woods, Carolina. Distribution : South Carolina to Florida and Texas.

Perennials, Terrestrial, not aquatic, Rhizomes present, Rhizome short and compact, stems close, 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 with inflorescence 1-2 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly basal, below middle of stem, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath and blade differentiated, Leaf blades disarticulating from sheath, deciduous at ligule, Leaf blades linear, Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blades more or less hairy, Ligule present, Ligule a fringed, ciliate, or lobed 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, Inflorescence branches more than 10 to numerous, Flowers bisexual, Spikelets pedicellate, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 2 florets, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets in paired units, 1 sessile, 1 pedicellate, Spikelets bisexual, Spikelets disarticulating below the glumes, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 1 clearly present, the other greatly reduced or absent, Glumes distinctly unequal, Glumes equal to or longer than adjacent lemma, Glume equal to or longer than sp ikelet, Glume surface hairy, villous or pilose, Glumes 4-7 nerved, Lemmas thin, chartaceous, hyaline, cartilaginous, or membranous, Lemma 3 nerved, Lemma 5-7 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma awnless, Lemma margins thin, lying flat, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea longer than lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis.