Dichanthelium scabriusculum — Details

Dichanthelium scabriusculum (Elliott) Gould & C.A. Clark:
Brazil (South America)
United States (North America)

Forzza, R. C. & et al. 2010. 2010 Lista de espécies Flora do Brasil. http://floradobrasil.jbrj.gov.br/2010/. http://www.tropicos.org/Reference/100002289
Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
Soreng, R. J., G. Davidse, P. M. Peterson, F. O. Zuloaga, E. J. Judziewicz, T. S. Filgueiras & O. Morrone. 2003 and onwards. On-line taxonomic novelties and updates, distributional additions and corrections, and editorial changes since the four published volumes of the Catalogue of New World Grasses (Poaceae) published in Contr. U.S. Natl. Herb. vols. 39, 41, 46, and 48. http://www.tropicos.org/Project/CNWG:. In R. J. Soreng, G. Davidse, P. M. Peterson, F. O. Zuloaga, T. S. Filgueiras, E. J. Judziewicz & O. Morrone Internet Cat. New World Grasses. Missouri Botanical Garden, St. Louis. http://www.tropicos.org/Reference/1024044
Barkworth, M. E., K. M. Capels, S. Long & M. B. Piep. 2003. Magnoliophyta: Commelinidae (in part): Poaceae, part 2. 25: i–xxv, 1–783. In Fl. N. Amer. Oxford University Press, New York. http://www.tropicos.org/Reference/1021466
Hansen, B. F. & R. P. Wunderlin. 1988. Synopsis of Dichanthelium (Poaceae) in Florida. Ann. Missouri Bot. Gard. 75(4): 1637–1657. http://www.tropicos.org/Reference/9167
Gould, F. W. & C. A. Clark. 1978. Dichanthelium (Poaceae) in the United States and Canada. Ann. Missouri Bot. Gard. 65(4): 1088–1132. http://www.tropicos.org/Reference/9842
Zuloaga, F. O. & O. Morrone. 2003. Dichanthelium. In Catalogue of New World Grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46: 177–92. http://www.tropicos.org/Reference/1004199

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Panicum scabriusculum var. cryptanthum (Ashe) Gleason:
United States (North America)

Gleason, H. A. & A. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York. http://www.tropicos.org/Reference/1495

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Panicum scabriusculum var. scabriusculum :
United States (North America)

Gleason, H. A. & A. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York. http://www.tropicos.org/Reference/1495

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Panicum recognitum Fernald:
United States (North America)

Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327

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Panicum scabriusculum Elliott:
United States (North America)

Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Man. Vasc. Fl. Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill. http://www.tropicos.org/Reference/636
Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York. http://www.tropicos.org/Reference/1515
Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327
Godfrey, R. K. & J. W. Wooten. 1979. Aquatic Wetland Pl. S.E. U.S. Monocot. 1–712. The University of Georgia Press, Athens. http://www.tropicos.org/Reference/1710

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Panicum cryptanthum Ashe:
United States (North America)

Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York. http://www.tropicos.org/Reference/1515
Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327

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Panicum aculeatum Hitchc. & Chase:
United States (North America)

Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York. http://www.tropicos.org/Reference/1515
Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327
Gleason, H. A. & A. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York. http://www.tropicos.org/Reference/1495

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National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Physical Description

Morphology

Physical Description

Perennials, Terrestrial, not aquatic, Rhizomes present, Stems nodes swollen or brittle, Stems erect or ascending, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Plants conspicuously hairy, grayish, or wooly, 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 conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath hairy at summit, throat, or collar, Leaf sheath and blade differentiated, Leaf blades lanceolate, Leaf blades 2-10 mm wide, Leaf blades 1-2 cm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Ligule present, Ligule an unfringed eciliate membrane, Ligule a fringe of hairs, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, 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 branches more than 10 to numerous, Flowers bisexual, Spikelets pedicellate, Spikelets dorsally compressed or terete, Inflorescence or spikelets partially hidden in leaf sheaths, subtended by spatheole, Spikelet less than 3 mm wide, Spike lets with 1 fertile floret, Spikelets with 2 florets, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating below the glumes, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes equal to or longer than adjacent lemma, Glume equal to or longer than spikelet, Glumes 3 nerved, Glumes 4-7 nerved, Lemma similar in texture to glumes, Lemma coriaceous, firmer or thicker in texture than the glumes, Lemma becoming indurate, enclosing palea and caryopsis, Lemma 3 nerved, Lemma 5-7 nerved, Lemma 8-15 nerved, Lemma glabrous, Lemma apex truncate, rounded, or obtuse, Lemma awnless, Lemma margins inrolled, tightly covering palea and caryopsis, Lemma straight, Palea present, well developed, Palea about equal to lemma, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis.

Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Type Information

Isolectotype for Panicum cryptanthum Ashe
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: ; Status verified from secondary sources
Preparation: Pressed specimen
Collector(s): W. W. Ashe
Year Collected: 1897
Locality: Wilson's Mill., Johnston, North Carolina, United States, North America

Isolectotype: Ashe, W. W. 1900. North Carolina Agric. Exp. Sta. Bull. 175: 115.; Hitchcock, A. S. & Chase, A. 1910. Contr. U.S. Natl. Herb. 15: 299.

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Source: National Museum of Natural History Image Collection

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: N4 - Apparently Secure

Source: NatureServe

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

Source: NatureServe

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