1. Family: Poaceae Barnhart
    1. Genus: Mesosetum Steud.
      1. Mesosetum stoloniferum Swallen

        This species is accepted, and its native range is SE. Mexixo to Honduras.

    [GB]
    Habit
    Perennial; caespitose. Stolons present. Culms 20-80 cm long. Culm-nodes pubescent. Leaves mostly basal. Leaf-sheaths glabrous on surface, or pubescent; outer margin hairy. Ligule a fringe of hairs; 0.5 mm long. Leaf-blades 5-20 cm long; 2-5 mm wide; stiff.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; unilateral; 3-9 cm long. Rhachis narrowly winged; angular; 1-1.4 mm wide. Spikelet packing adaxial. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 4.5-5 mm long; falling entire. Spikelet callus pubescent.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 4.5-5 mm long; falling entire. Spikelet callus pubescent.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 4.5-5 mm long; 1 length of spikelet; chartaceous; 1-keeled. Lower glume primary vein ciliate. Lower glume apex awned; 1 -awned. Lower glume awn 1 mm long. Upper glume lanceolate; 4-5 mm long; 0.9-1 length of spikelet; membranous; without keels; 3(-5) -veined. Upper glume margins ciliate. Upper glume apex acuminate.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret oblong; 4.2-4.7 mm long; 1 length of spikelet; membranous; 3-5 -veined; ciliate on margins; acute. Palea of lower sterile floret 3-4.2 mm long. Fertile lemma ovate; dorsally compressed; 3.5-3.9 mm long; coriaceous; without keel; 5 -veined. Lemma surface smooth. Lemma margins flat. Palea coriaceous; without keels.
    Flowers
    Anthers 3; 1.7-1.9 mm long.
    Distribution
    North America: Mexico. South America: Mesoamericana.
    Reference
    Paniceae. Fl Meso-Am 1995.

    Distribution

    Native to:

    Guatemala, Honduras, Mexico Southeast

    Mesosetum stoloniferum Swallen appears in other Kew resources:

    First published in Contr. U.S. Natl. Herb. 29: 412 (1950)

    Accepted by

    • 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
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • 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

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

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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