1. Family: Poaceae Barnhart
    1. Genus: Merostachys Spreng.
      1. Merostachys argyronema Lindm.

        This species is accepted, and its native range is Brazil (São Paulo).

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 10 mm diam.; woody. Culm-internodes terete; thin-walled; light green and dark green; striped, or mottled; distally hispid; with reflexed hairs. Lateral branches dendroid. Branch complement many; flabellate. Leaves 7-8 per branch. Leaf-sheaths striately veined; outer margin hairy. Leaf-sheath oral hairs ciliate; 5 mm long. Ligule a ciliolate membrane; 0.2 mm long. Leaf-blade base asymmetrical; with a brief petiole-like connection to sheath; petiole 0.4 cm long; petiole glabrous. Leaf-blades lanceolate; 9-12 cm long; 12-16 mm wide; glaucous. Leaf-blade venation with 10-12 secondary veins. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; arcuate; unilateral; 5 cm long. Rhachis angular; pilose on surface; terminating in a sterile spikelet. Spikelet packing broadside to rhachis; contiguous. Spikelets solitary. Fertile spikelets pedicelled.
    Sterile
    Apical sterile spikelets rudimentary.
    Spikelets
    Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 10 mm long; breaking up at maturity; disarticulating below each fertile floret. Apical sterile spikelets rudimentary.
    Fertile
    Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 10 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; shorter than spikelet. Lower glume ovate; 3 mm long. Lower glume apex acute. Upper glume ovate; 7 mm long; membranous; 7 -veined. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 9 mm long; chartaceous; without keel; 11 -veined. Lemma surface pubescent. Lemma apex acute.
    Flowers
    Lodicules 3. Anthers 3. Stigmas 2.
    Distribution
    South America: Brazil.
    Reference
    Bambuseae. Camus 2001.

    Distribution

    Native to:

    Brazil Southeast

    Merostachys argyronema Lindm. appears in other Kew resources:

    First published in Kongl. Svenska Vetensk. Acad. Handl., n.s., 34(6): 22 (1900)

    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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.

    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 2019. 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 2019. 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