1. Family: Poaceae Barnhart
    1. Genus: Eragrostis Wolf
      1. Eragrostis pectinacea (Michx.) Nees

        This species is accepted, and its native range is America.

    [GB]
    Habit
    Annual. Butt sheaths green, or purple. Culms geniculately ascending, or decumbent; 15-40 cm long. Leaf-sheaths 3-6 cm long. Leaf-sheath oral hairs bearded; 2-2.5 mm long. Ligule a fringe of hairs; 0.5-1 mm long. Leaf-blades 5-18 cm long; 1-3 mm wide. Leaf-blade surface scaberulous; rough adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 7-20 cm long. Primary panicle branches simple. Panicle branches bearded in axils. Spikelets appressed; solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 5-18 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 5-8 mm long; 1-1.5 mm wide; breaking up at maturity; rhachilla persistent; retaining paleas.
    Fertile
    Spikelets comprising 5-18 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 5-8 mm long; 1-1.5 mm wide; breaking up at maturity; rhachilla persistent; retaining paleas.
    Glume
    Glumes deciduous; similar; shorter than spikelet. Lower glume lanceolate; 1 mm long; 0.6 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 1.5 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 1.5-2 mm long; membranous; keeled; 3 -veined. Lemma midvein scaberulous. Lemma lateral veins distinct; close to margins; extending close to apex. Lemma apex acute. Palea 1.5 mm long. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; laterally compressed; without sulcus; 0.8-1.2 mm long; dark brown, or red.
    Distribution
    Europe: southwestern. Asia-tropical: Malesia. Pacific: northwestern and north-central. North America: eastern Canada, northwest USA, north-central USA, northeast USA, southwest USA, south-central USA, southeast USA, and Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, Brazil, and southern South America.
    Reference
    Eragrostideae. = Eragrostis diffusa. Wagner 1993.

    Images

    Distribution

    Native to:

    Alabama, Arizona, Arkansas, Bahamas, Bolivia, Brazil North, Brazil Southeast, Brazil West-Central, British Columbia, California, Colombia, Colorado, Connecticut, Costa Rica, Cuba, Delaware, District of Columbia, Ecuador, El Salvador, Florida, Georgia, Guatemala, Honduras, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Leeward Is., Louisiana, Maine, Maryland, Masachusettes, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Nicaragua, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Panamá, Pennsylvania, Peru, Puerto Rico, Québec, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Utah, Venezuela, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

    Introduced into:

    Argentina Northeast, Austria, Belgium, Caroline Is., Czechoslovakia, France, Germany, Great Britain, Greece, Hawaii, Italy, Mexican Pacific Is., Myanmar, Philippines, Spain, Switzerland, Ukraine, Uruguay

    Eragrostis pectinacea (Michx.) Nees appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hinton, G.B. [5535], Guerrero K000465805
    Hinton, G.B. [2702a], México State K000465806
    Liebmann [520], Mexico K000308762
    Dusén, P. [13803], Brazil K001059101
    Frank, J.C. [s.n.], USA K000907524
    Homble [6], Congo Eragrostis brizoides K000366470 syntype
    Homble [6], Congo Eragrostis brizoides K000366469 syntype

    First published in Fl. Afr. Austral. Ill.: 406 (1841)

    Accepted by

    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Giraldo-Cañas, D., Peterson, P.M. & Sánchez Vega, I. (2012). The genus Eragrostis (Poaceae : Chloridoideae) in northwestern South America (Colombia, Ecuador and Peru) : morphological and taxonomic studies: 1-195. Universidad Nacional de Colombia, Bogotá.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
    • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 3: 1-884. Missouri Botanical Garden Press, St. Louis.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • Fosberg, F.R. & Stoddard, D.R. (1994). Flora of the Phoenix Islands, Central Pacific Atoll Research Bulletin 393: 1-60.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.
    • Levin, G.A. & Moran, R. (1989). The vascular flora of isla Socorro, Mexico: 1-71. Dept. of Botany, San Diego Natural History Museum, San Diego.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions
    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.
    • Levin, G.A. & Moran, R. (1989). The vascular flora of isla Socorro, Mexico: 1-71. Dept. of Botany, San Diego Natural History Museum, San Diego.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0