Overview

Distribution

Localities documented in Tropicos sources

Panicum virletii E. Fourn.:
Mexico (Mesoamerica)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA

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Localities documented in Tropicos sources

Panicum hallii Vasey:
Mexico (Mesoamerica)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
  • SPECIMEN BASED RECORD. Published protolog data.   http://www.tropicos.org/Reference/9990002 External link.
  • 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 External link.
  • 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 External link.
  • Espejo Serna, A., A. R. López-Ferrari & J. Valdés-Reyna. 2000. Poaceae. Monocot. Mexic. Sinopsis Floríst. 10: 7–236 [and index].   http://www.tropicos.org/Reference/1015183 External link.
  • McVaugh, R. 1983. Gramineae. 14: 1–436. In R. McVaugh Fl. Novo-Galiciana. The University of Michigan, Ann Arbor.   http://www.tropicos.org/Reference/9853 External link.
  • Beetle, A. A. 1999. Gram. México 5: 1–466. Secretaria de Agricultura y Recursos Hidraulícos: COTECOCA, México.   http://www.tropicos.org/Reference/1019700 External link.
  • Correll, D. S. & M. C. Johnston. 1970. Man. Vasc. Pl. Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.   http://www.tropicos.org/Reference/1493 External link.
  • Great Plains Flora Association. 1986. Fl. Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.   http://www.tropicos.org/Reference/637 External link.
  • 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 External link.
  • Zuloaga, F. O. & O. Morrone. 2003. Panicum. In Catalogue of New World Grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46: 306–441.   http://www.tropicos.org/Reference/1003784 External link.
  • Zuloaga, F. O. & O. Morrone. 1996. Revisión de las especies Americanas de Panicum subgénero Panicum Sección Panicum (Poaceae: Panicoideae: Paniceae). Ann. Missouri Bot. Gard. 83(2): 200–280.   http://www.tropicos.org/Reference/1003375 External link.
  • Valdés-Reyna, J., F. O. Zuloaga, O. Morrone & L. Aragón Melchor. 2009. El género Panicum (Poaceae: Panicoideae) en el noreste de México. Bol. Soc. Bot. México 84: 59–82.   http://www.tropicos.org/Reference/100000247 External link.
  • García-Mendoza, A. J. & J. Meave del Castillo. 2011. Divers. Florist. Oaxaca 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria.   http://www.tropicos.org/Reference/100009052 External link.
  • Cronquist, A. J., A. H. Holmgren, N. H. Holmgren & Reveal. 1977. Vascular Plants of the Intermountain West, U.S.A. 6: 1–584. In A. J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York.   http://www.tropicos.org/Reference/1725 External link.
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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Physical Description

Perennials, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems geniculate, decumbent, or lax, sometimes rooting at nodes, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stems branching above base or distally at nodes, Stem nodes bearded or hairy, 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, hispid or prickly, Leaf sheath hairy at summit, throat, or collar, Leaf sheath and blade differentiated, Leaf blades linear, Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Leaf blades more or less hairy, Leaf blades scabrous, roughened, or wrinkled, Leaf blades glauco us, blue-green, or grey, or with white glands, Ligule present, Ligule a fringe of hairs, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, 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, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets with 2 florets, Spikelet with 1 fertile floret and 1-2 sterile 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 4-7 nerved, Lemma similar in texture to glumes, Lemma 5-7 nerved, Lemma glabrous, Lemma apex ac ute or acuminate, 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, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Type Information

Holotype for Panicum hallii Vasey
Catalog Number: US 76926
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Card file verified by examination of alleged type specimen
Preparation: Pressed specimen
Collector(s): E. Hall
Year Collected: 1872
Locality: Austin., Travis, Texas, United States, North America
  • Holotype: Vasey, G. 1884. Bull. Torrey Bot. Club. 11: 61.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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