1. Family: Poaceae Barnhart
    1. Steyermarkochloa Davidse & R.P.Ellis

      1. This genus is accepted, and its native range is Colombia to Venezuela and N. Brazil.

    [GB]

    nonem

    Habit
    Perennial. Culms erect; 40-350 cm long. Ligule absent.
    Inflorescences
    Monoecious; with male and female spikelets in the same inflorescence. Synflorescence on a separate leafless culm. Inflorescence a panicle. Panicle spiciform. Sexes segregated; with male below. Spikelets solitary. Fertile spikelets pedicelled. Male spikelets pedicelled. Pedicels oblong.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; dorsally compressed; 9-17 mm long; falling entire. Male spikelets similar to female but less developed; lanceolate. Male spikelet glumes 2.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; dorsally compressed; 9-17 mm long; falling entire.
    Glume
    Glumes shorter than spikelet. Lower glume lanceolate; 1-1.3 length of upper glume; herbaceous; 2-keeled; 3-7 -veined. Lower glume surface flat. Lower glume apex truncate, or obtuse. Upper glume lanceolate; 0.33 length of adjacent fertile lemma; herbaceous; without keels; 3-6 -veined. Upper glume apex truncate, or obtuse.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; herbaceous; 5-9 -veined; ribbed; obtuse. Fertile florets female. Fertile lemma lanceolate; herbaceous; without keel; 5-13 -veined. Lemma lateral veins ribbed. Lemma apex truncate, or obtuse. Palea tightly convolute around flower; 1.3-1.5 length of lemma; spongy; 5-11 -veined. Palea keels approximate. Apical sterile florets 1 in number; barren; linear.
    Flowers
    Lodicules absent. Anthers 2. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp; fusiform. Embryo 0.2 length of caryopsis. Hilum linear; 0.7 length of caryopsis.
    Male
    Male spikelets similar to female but less developed; lanceolate. Male spikelet glumes 2.
    Distribution
    South America.

    Images

    Distribution

    Native to:

    Brazil North, Colombia, Venezuela

    Steyermarkochloa Davidse & R.P.Ellis appears in other Kew resources:

    First published in Ann. Missouri Bot. Gard. 71: 995 (1985)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP 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 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