1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida jorullensis Kunth

        This species is accepted, and its native range is Mexico to Venezuela, Trinidad.

    [GB]
    Habit
    Annual; caespitose; clumped densely. Culms 10-60 cm long; 1-8 -noded. Culm-internodes solid; distally glabrous. Culm-nodes glabrous. Lateral branches ample. Leaf-sheaths glabrous on surface. Ligule a fringe of hairs; 0.1-0.2 mm long. Leaf-blades conduplicate, or involute; 4-20 cm long; 1-1.5 mm wide. Leaf-blade surface ribbed; scaberulous; rough adaxially; pilose; sparsely hairy; hairy adaxially.
    Inflorescences
    Inflorescence a panicle. Peduncle 7-15 cm long. Panicle open; elliptic; 6-20 cm long. Primary panicle branches 1 -nate; 1-4 cm long; bearing spikelets almost to the base. Panicle axis pilose. Panicle branches pilose. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 5-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.5 mm long; pubescent; acute. Floret callus hairs 1 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets cuneate; laterally compressed; 5-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.5 mm long; pubescent; acute. Floret callus hairs 1 mm long.
    Glume
    Glumes similar; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume linear; 4.5-9 mm long; 0.9-1.1 length of upper glume; membranous; 1-3 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent, or distinct. Lower glume apex acute. Upper glume linear; 5-8.5 mm long; 1.2 length of adjacent fertile lemma; membranous; 1-3 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent, or distinct. Upper glume apex acute.
    Florets
    Fertile lemma linear; laterally compressed; 4-7 mm long; coriaceous; without keel; 3 -veined. Lemma surface scabrous; rough above and in lines. Lemma margins convolute; covering most of palea. Lemma apex attenuate; awned; 1 -awned. Principal lemma awn flexuous; 10-16 mm long overall; with 10-16 mm long limb; without a column. Palea 1-1.5 mm long.
    Flowers
    Anthers 3; 1.1-1.7 mm long.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Aristideae. Fl Costaric 1993.
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 0 - 1500 m.; Andes, Valle del Magdalena.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Panamá, Trinidad-Tobago, Venezuela

    Aristida jorullensis Kunth appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mexico K000308614 Unknown type material
    Palmer, E. [1084], Colima K000308613 isotype

    First published in Révis. Gramin. 1: 62 (1829)

    Accepted by

    • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots' Phytotaxa 250: 1-431.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Literature

    Kew Backbone Distributions
    • Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots' Phytotaxa 250: 1-431.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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 2020. 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 2020. 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