1. Family: Poaceae Barnhart
    1. Anthaenantia P.Beauv.

      1. This genus is accepted, and its native range is Tropical & Subtropical America.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes short. Culms 70-90-110 cm long. Ligule a ciliolate membrane.
    Inflorescences
    Inflorescence a panicle. Panicle open. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 3-3.5-4 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 3-3.5-4 mm long; falling entire.
    Glume
    Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume obovate; membranous; without keels; 5 -veined. Upper glume surface villous. Upper glume apex obtuse.
    Florets
    Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret obovate; membranous; 5 -veined; obtuse. Fertile lemma ovate; cartilaginous; much thinner on margins; without keel; 3 -veined. Lemma apex acute. Palea gaping; 1 length of lemma; cartilaginous; 2 -veined.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; orbicular; isodiametric. Embryo 0.5 length of caryopsis.
    Distribution
    North America.
    [GB]

    nonem

    Habit
    Perennial. Rhizomes absent (1), or elongated (1). Culms erect; 60-77.5-100 cm long. Ligule a ciliolate membrane.
    Inflorescences
    Inflorescence a panicle. Panicle open. Spikelets appressed (1/1); solitary. Fertile spikelets pedicelled. Pedicels clavate (1/1); tip cupuliform (1/1).
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or elliptic (1); dorsally compressed; 3-3.625-4 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or elliptic (1); dorsally compressed; 3-3.625-4 mm long; falling entire.
    Glume
    Glumes one the lower absent or obscure, or two (1); reaching apex of florets; thinner than fertile lemma. Lower glume linear (1/1); 0.15 length of upper glume; hyaline (1/1). Upper glume lanceolate; membranous; without keels; 3-4 -veined (1), or 5 -veined, or 6-7 -veined (1). Upper glume lateral veins without ribs (1), or ribbed (1). Upper glume surface pilose (1), or villous (1). Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret linear (1), or lanceolate (1); membranous; 3-4 -veined (1), or 5 -veined, or 6-7 -veined (1); without ribs (1), or ribbed (1); acute. Fertile lemma ovate; dorsally compressed; cartilaginous; much thinner above; much thinner on margins; without keel. Lemma lateral veins obscure (1/1). Lemma margins eciliate (1), or ciliolate (1). Lemma apex acute. Palea gaping; 1 length of lemma; cartilaginous.
    Flowers
    Anthers 3.
    Distribution
    North America, or South America (1).

    Distribution

    Native to:

    Alabama, Argentina Northeast, Argentina Northwest, Arkansas, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, Florida, French Guiana, Georgia, Guatemala, Guyana, Haiti, Honduras, Louisiana, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Mississippi, Nicaragua, North Carolina, Panamá, Paraguay, Peru, Puerto Rico, South Carolina, Suriname, Texas, Trinidad-Tobago, Uruguay, Venezuela

    Anthaenantia P.Beauv. appears in other Kew resources:

    First published in Ess. Agrostogr.: 48 (1812)

    Accepted by

    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.

    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 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