1. Family: Poaceae Barnhart
    1. Genus: Zea L.
      1. Zea nicaraguensis Iltis & B.F.Benz

        This species is accepted, and its native range is SW. Nicaragua.

    [GB]
    Habit
    Annual. Culms erect; 200-500 cm long; with prop roots. Culm-internodes solid. Lateral branches lacking. Leaves cauline. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane. Leaf-blades lanceolate; 20-80 cm long; 30-80 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Monoecious; with male and female spikelets in different inflorescences. Inflorescence composed of racemes; axillary; subtended by a spatheole; enclosed. Spatheole elliptic; 6-10 cm long; herbaceous. Racemes 1; single; bilateral; 6-18 cm long; bearing 4-10 fertile spikelets on each. Rhachis fragile at the nodes; subcylindrical and excavated. Spikelet packing 2 -rowed. Rhachis internodes inflated (trapezoidal); 7-10 mm long. Rhachis internode tip oblique; cupuliform. Spikelets sunken; solitary. Fertile spikelets sessile. Male spikelets sessile and pedicelled; 2 in a cluster. Male inflorescence terminal; unlike female; of racemes along a central axis (23-32cm). Male spikelets distinct from female; with free pedicels; 2 flowered; elliptic; 9-11 mm long. Male spikelet glumes 2; muticous. Male spikelet lemma muticous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets rhomboid; laterally compressed; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets rhomboid; laterally compressed; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes dissimilar; reaching apex of florets; firmer than fertile lemma; shiny. Lower glume oblong; 1 length of spikelet; coriaceous; light brown, or dark brown; without keels. Upper glume elliptic; membranous; without keels.
    Florets
    Basal sterile florets barren; with palea, or without significant palea. Lemma of lower sterile floret membranous. Fertile florets female. Fertile lemma elliptic; hyaline; without keel.
    Flowers
    Anthers 3. Stigmas 2; terminally exserted; papillose.
    Fruits
    Caryopsis with adherent pericarp.
    Male
    Male inflorescence terminal; unlike female; of racemes along a central axis (23-32cm). Male spikelets distinct from female; with free pedicels; 2 flowered; elliptic; 9-11 mm long. Male spikelet glumes 2; muticous. Male spikelet lemma muticous.
    Distribution
    South America: Mesoamericana.
    Reference
    Andropogoneae. Iltis & Benx 2002.
    Diagnostic
    Male racemes 8-12cm with 36-64 spikelets.

    Distribution

    Native to:

    Nicaragua

    Zea nicaraguensis Iltis & B.F.Benz appears in other Kew resources:

    First published in Novon 10: 382 (2000)

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    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