Family:
Poaceae Barnhart
Genus:
Zoysia Willd.

Zoysia japonica Steud.

This species is accepted, and its native range is S. Russian Far East to E. China and Temp. E. Asia.

[GB]
Morphology General Habit
Perennial; mat forming. Rhizomes elongated. Butt sheaths persistent and investing base of culm; with fibrous dead sheaths. Culms 5-15 cm long; 0.2-0.3 mm diam.; 3-6 -noded. Culm-internodes 1.5-3 cm long. Leaf-sheaths longer than adjacent culm internode. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; 2.5-6 cm long; 2-5 mm wide. Leaf-blade surface glabrous, or pilose; sparsely hairy; hairy adaxially. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes 1; single; linear; multilateral; 2-8 cm long; 3-5 mm wide. Spikelet packing crowded. Spikelets solitary. Fertile spikelets pedicelled. Pedicels curved; 3-4 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 2.5-3.5 mm long; 1.2-1.5 mm wide; falling entire.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 2.5-3.5 mm long; 1.2-1.5 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 ovate; 1 length of spikelet; coriaceous; without keels. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma elliptic, or oblong; 2.5-3 mm long; hyaline; without keel; 1 -veined. Palea without keels.
Morphology Reproductive morphology Flowers
Anthers 3; 1.5 mm long.
Distribution
Asia-temperate: Soviet far east, China, and eastern Asia.
Reference
Cynodonteae. Ohwi 1993.

Native to:

China North-Central, China Southeast, Japan, Korea, Manchuria, Ogasawara-shoto, Primorye, Taiwan

Introduced into:

Alabama, California, Fiji, Florida, Honduras, Illinois, India, Indiana, Kentucky, Louisiana, Marianas, Maryland, Myanmar, Ontario, Puerto Rico, Tennessee, Virginia

Zoysia japonica Steud. appears in other Kew resources:

First published in Syn. Pl. Glumac. 1: 414 (1854)

Accepted by

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • 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. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
  • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
  • Kobayashi, S. & Ono, M. (1987). A Revised List of Vascular Plants Indigenous and Introduced to the Bonin (Ogasawara) and the Volcano (Kazan) Islands Ogasawara Research 13: 1-55.
  • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
  • Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
  • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
  • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

Literature

Kew Backbone Distributions

  • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
  • Kobayashi, S. & Ono, M. (1987). A Revised List of Vascular Plants Indigenous and Introduced to the Bonin (Ogasawara) and the Volcano (Kazan) Islands Ogasawara Research 13: 1-55.
  • Koyama, T. (1987). Grasses of Japan and its neighboring regions: an identification manual: 1-570. Kodansha, Tokyo, Japan.
  • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
  • Lee, W.T. (1996). Lineamenta Florae Koreae: 1-1688. Soul T'ukpyolsi: Ak'ademi Sojok.
  • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
  • 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