1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus mobberleyanus P.M.Peterson & Saarela

        This species is accepted, and its native range is Tristan da Cunha, Amsterdam Island.

    [GB]
    Habit
    Perennial. Rhizomes short. Culms erect; 100-150 cm long. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs; 1 mm long. Leaf-blades involute; 3-10 mm wide. Leaf-blade surface smooth, or scabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes numerous; 20-50; borne along a central axis; closely spaced; in a multilateral false spike; appressed; unilateral; 2-4 cm long; bearing 20-40 fertile spikelets on each. Central inflorescence axis 8-16 cm long. Rhachis angular; smooth on margins to scabrous on margins; glabrous on margins; terminating in a spikelet. Spikelet packing broadside to rhachis; regular; 2 -rowed. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels 1 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 6-12 mm long; 1-3 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 6-12 mm long; 1-3 mm wide; falling entire.
    Glume
    Glumes dissimilar; exceeding apex of florets. Lower glume linear; 4-10 mm long; 0.6-0.8 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 6-12 mm long; 1.5 length of adjacent fertile lemma; herbaceous; 1-keeled; 1-3 -veined. Upper glume primary vein scabrous. Upper glume surface smooth to scabrous. Upper glume margins smooth, or scaberulous. Upper glume apex acuminate.
    Florets
    Fertile lemma ovate; 4-10 mm long; herbaceous; keeled; 3 -veined. Lemma midvein scabrous. Lemma surface smooth, or scaberulous. Lemma apex emarginate. Palea 2 -veined.
    Flowers
    Lodicules absent. Anthers 3; 2.5-3 mm long.
    Distribution
    Antarctic: Subantarctic islands.
    Reference
    Cynodonteae. Mobberley 1993.

    Distribution

    Native to:

    Amsterdam-St.Paul Is, Tristan da Cunha

    Sporobolus mobberleyanus P.M.Peterson & Saarela appears in other Kew resources:

    First published in Taxon 63: 1236 (2014)

    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