1. Family: Poaceae Barnhart
    1. Actinocladum McClure ex Soderstr.

      1. This genus is accepted, and its native range is Bolivia to Brazil.

    [GB]

    nonem

    Habit
    Perennial. Rhizomes short; pachymorph. Culms erect; 300-460 cm long; woody. Culm-internodes terete. Lateral branches dendroid. Branch complement many; flabellate; with subequal branches; thinner than stem. Culm-sheaths deciduous; auriculate. Culm-sheath blade ovate; constricted at base. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate.
    Inflorescences
    Inflorescence a panicle, or comprising only a few spikelets; axillary. Panicle open. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
    Spikelets
    Spikelets comprising 7-10 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 60-75 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pilose.
    Fertile
    Spikelets comprising 7-10 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 60-75 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pilose.
    Glume
    Glumes persistent; shorter than spikelet; firmer than fertile lemma. Lower glume ovate; 0.7-0.75 length of upper glume; coriaceous; without keels; 5 -veined. Lower glume apex acute. Upper glume ovate; 0.6-0.7 length of adjacent fertile lemma; coriaceous; without keels; 11 -veined. Upper glume apex acute.
    Florets
    Fertile lemma ovate; chartaceous; without keel; 13 -veined. Lemma apex acute. Palea 1.1 length of lemma; chartaceous; 18 -veined. Palea keels winged; ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 3; glabrous, or ciliate. Anthers 3. Stigmas 2. Ovary umbonate; pubescent on apex.
    Fruits
    Caryopsis with free brittle pericarp; ellipsoid. Embryo 0.15 length of caryopsis. Hilum linear; 1 length of caryopsis.
    Distribution
    South America.

    Images

    Distribution

    Native to:

    Bolivia, Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central

    Actinocladum McClure ex Soderstr. appears in other Kew resources:

    First published in Amer. J. Bot. 68: 1201 (1981)

    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 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