1. Family: Poaceae Barnhart
    1. Genus: Miscanthus Andersson
      1. Miscanthus × longiberbis (Hack.) Nakai

        This species is accepted, and its native range is NE. China to Korea, Japan.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes elongated. Culms erect; 70-120 cm long. Culm-internodes smooth; distally glabrous. Culm-nodes bearded. Ligule a ciliolate membrane. Leaf-blades 15-20 cm long; 5-10 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 5-7; digitate; 15-18 cm long. Rhachis tough; subterete. Rhachis internodes filiform. Spikelets in pairs. Fertile spikelets pedicelled; 2 in the cluster. Pedicels filiform; unequal; 1 mm long, or 3.5 mm long.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5 mm long; falling entire. Spikelet callus bearded; base truncate. Spikelet callus hairs white; 6 mm long; 1.1-1.2 length of spikelet.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 5 mm long; falling entire. Spikelet callus bearded; base truncate. Spikelet callus hairs white; 6 mm long; 1.1-1.2 length of spikelet.
    Glume
    Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of spikelet; chartaceous; without keels; 3 -veined. Lower glume surface flat; villous. Lower glume apex acuminate. Upper glume lanceolate; 1 length of spikelet; chartaceous; without keels; 5 -veined. Upper glume surface villous. Upper glume apex acuminate.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; 3.5 mm long; 0.75 length of spikelet; hyaline; acute. Fertile lemma lanceolate; 4 mm long; hyaline; without keel; 1 -veined. Lemma apex awned; 1 -awned. Principal lemma awn straight; 3 mm long overall; clearly exserted from spikelet. Palea linear; 0.66 length of lemma.
    Flowers
    Anthers 3; 2.5 mm long.
    Distribution
    Asia-temperate: eastern Asia.
    Reference
    Andropogoneae. Man Korean Gr 1997.

    Images

    Distribution

    Native to:

    Japan, Korea, Manchuria

    Introduced into:

    Great Britain

    Miscanthus × longiberbis (Hack.) Nakai appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2001 s.coll. [s.n.] Miscanthus × giganteus K001063927

    First published in Bot. Mag. (Tokyo) 31: 12 (1917)

    Not accepted by

    • Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST. [Cited as Miscanthus oligostachyus.]
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Miscanthus oligostachyus.]

    Literature

    Kew Backbone Distributions
    • Stace, C.A., Preston, C.D. & Pearman, D.A. (2015). Hybrid flora of the British isles: 1-501. Botanical Society of Britain and Ireland.
    • Ibaragi, Y., Lim, S.H., Yook, M.J., Chang, C.S. & Kim, D.S. (2013). Taxonomic notes on Korean Miscanthus × ogiformis Honda (Poaceae) - A new record from Korea The Journal of Japanese Botany 88: 184-187.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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