1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus amaliae Veldkamp

        This species is accepted, and its native range is Lesser Sunda Islands (Timor).

    [GB]
    Habit
    Annual; caespitose. Basal innovations intravaginal. Culms erect; 25-52 cm long. Culm-internodes smooth; distally glabrous. Leaf-sheaths smooth; glabrous on surface; outer margin hairy. Leaf-sheath oral hairs scanty, or lacking. Ligule a fringe of hairs, or absent; 0.05-0.15 mm long. Leaf-blades 5-9.5 cm long; 2-4.5 mm wide. Leaf-blade midrib keeled beneath. Leaf-blade surface scaberulous; rough adaxially; pubescent; sparsely hairy; hairy adaxially. Leaf-blade margins tuberculate-ciliate. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; effuse; 12 cm long; 4 cm wide. Primary panicle branches ascending; 13-20 -nate; whorled at most nodes; simple; 1.5-2.2 cm long; bearing 3-6 fertile spikelets on each lower branch. Panicle axis 10-13 noded. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.5-0.75 mm long; smooth.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.5-1.75 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.5-1.75 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; reaching apex of florets. Lower glume lanceolate, or ovate; 1-1.45 mm long; 0.66-0.9 length of upper glume; hyaline; purple; without keels; 0-1 -veined. Lower glume lateral veins absent. Lower glume surface smooth. Lower glume apex acuminate. Upper glume oblong, or ovate; 1.5-1.75 mm long; 1 length of adjacent fertile lemma; hyaline; purple; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume surface smooth. Upper glume apex acute.
    Florets
    Fertile lemma oblong, or ovate; 1.5-1.75 mm long; membranous; without keel; 1 -veined. Lemma apex obtuse. Palea readily splitting down midline; oblong; 1.4 mm long; 2 -veined. Palea keels approximate. Palea apex truncate, or obtuse.
    Flowers
    Lodicules 2; 0.25-0.3 mm long. Anthers 3; 0.3-0.5 mm long.
    Fruits
    Caryopsis with free soft pericarp; ellipsoid, or obovoid; isodiametric; quadrangular; 0.75-0.9 mm long. Embryo 0.5 length of caryopsis.
    Distribution
    Asia-tropical: Malesia.
    Reference
    Eragrostideae. Baaijens 1997.

    Distribution

    Native to:

    Lesser Sunda Is.

    Sporobolus amaliae Veldkamp appears in other Kew resources:

    First published in Blumea 35: 411 (1991)

    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 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