1. Family: Poaceae Barnhart
    1. Xerochloa R.Br.

      1. This genus is accepted, and its native range is Thailand, Jawa, N. & Central Australia.

    [GB]

    nonem

    Habit
    Annual (1), or perennial (2). Rhizomes absent (2), or short (1). Stolons absent (2), or present (1). Culms erect (1), or geniculately ascending, or decumbent (2); 15-36.66-75 cm long. Ligule a fringe of hairs. Leaf-blades persistent (2), or deciduous at the ligule (1); filiform (2), or linear.
    Inflorescences
    Synflorescence compound; linear. Inflorescence composed of racemes; terminal and axillary; deciduous as a whole; subtended by a spatheole; embraced at base by subtending leaf (1), or enclosed (2). Spatheole elliptic (2), or oblong (1); chartaceous (1), or scarious (2). Racemes single; unilateral; bearing few fertile spikelets; bearing 1-5 fertile spikelets on each (1). Rhachis flattened (1), or angular (2); terminating in a barren extension; extension flattened (1), or subulate (2). Spikelet packing abaxial (1/1). Spikelets sunken (1/2), or appressed (1/2); solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (2), or ovate (1); dorsally compressed; 5.5-7.966-12 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus glabrous (1/1). Floret callus pilose (1/1).
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (2), or ovate (1); dorsally compressed; 5.5-7.966-12 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus glabrous (1/1). Floret callus pilose (1/1).
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume linear (1), or oblong (1), or ovate (2); hyaline (2), or membranous; without keels; 0-1 -veined (2). Lower glume lateral veins absent. Lower glume surface glabrous (2), or woolly (1). Lower glume apex truncate (2), or acute, or acuminate (1). Upper glume lanceolate, or oblong (1); membranous (1), or chartaceous (1), or scarious (1); with undifferentiated margins (2), or membranous margins (1); without keels; 2-4 -veined (1), or 5 -veined (2). Upper glume surface glabrous (2), or villous (1), or woolly (1). Upper glume apex truncate (1), or acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret lanceolate (2), or oblong (1), or obovate (1); chartaceous (2), or cartilaginous (1); 3-4 -veined (1), or 5 -veined (2), or 6 -veined (1), or 7 -veined (2); sulcate; obtuse (2), or acute (2), or acuminate (1). Palea of lower sterile floret membranous. Fertile lemma lanceolate (1), or ovate (2); cartilaginous; without keel; 3 -veined (2/2). Lemma lateral veins obscure (1/1). Lemma apex acuminate (1), or caudate (2). Palea not rolled (2), or tightly convolute around flower (1); 1 length of lemma; cartilaginous; 2 -veined (2/2); without keels (1), or 2-keeled (2).
    Flowers
    Anthers 3 (2/2).
    Distribution
    Tropical Asia (1), or Australasia.

    Images

    Distribution

    Native to:

    Jawa, Northern Territory, Queensland, Thailand, Western Australia

    Xerochloa R.Br. appears in other Kew resources:

    First published in Prodr. Fl. Nov. Holland.: 196 (1810)

    Accepted by

    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the 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 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