Family:
Poaceae Barnhart
Genus:
Zoysia Willd.

Zoysia macrostachya Franch. & Sav.

This species is accepted, and its native range is E. China to Temp. E. Asia.

[GB]
Morphology General Habit
Perennial; mat forming. Rhizomes elongated. Culms 12-40 cm long; 1-1.2 mm diam.; 10-17 -noded. Culm-internodes 1-6 cm long. Leaf-sheaths longer than adjacent culm internode. Leaf-sheath oral hairs bearded; 2-3 mm long. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; involute; 2-7 cm long; 3-5 mm wide; stiff; glaucous. Leaf-blade surface glabrous, or puberulous; hairy abaxially. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes; subtended by an inflated leaf-sheath; embraced at base by subtending leaf. Racemes 1; single; lanceolate; multilateral; 2-3.5 cm long; 5-9 mm wide. Spikelet packing crowded. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1-2 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6-8 mm long; 1.8-2.2 mm wide; falling entire.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6-8 mm long; 1.8-2.2 mm wide; falling entire.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes one the lower absent or obscure; exceeding apex of florets; firmer than fertile lemma; shiny. Upper glume lanceolate, or elliptic; 1 length of spikelet; coriaceous; without keels. Upper glume surface puberulous; hairy at apex. Upper glume margins ciliolate. Upper glume apex acute; muticous, or mucronate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 3.8-4.2 mm long; hyaline; without keel; 1 -veined. Palea without keels.
Morphology Reproductive morphology Flowers
Anthers 3; 2-2.5 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; ellipsoid; 1.8-2 mm long.
Distribution
Asia-temperate: China and eastern Asia.
Reference
Cynodonteae. Ohwi 1993.

Native to:

China North-Central, China Southeast, Japan, Korea, Nansei-shoto

Zoysia macrostachya Franch. & Sav. appears in other Kew resources:

First published in Enum. Pl. Jap. 2: 608 (1878)

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.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
  • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
  • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

Literature

Kew Backbone Distributions

  • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
  • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
  • Walker, E.H. (1976). Flora of Okinawa and the southern Ryukyu islands: 1-1159. Smithsonian Institution Press, Washington D.C., U.S.A.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

  • 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 2022. 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 2022. 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