Cyrtococcum patens (L.) A.Camus

This species is accepted, and its native range is Tropical & Subtropical Asia to W. Pacific.

[GB]
Morphology General Habit
Perennial; mat forming. Culms decumbent, or prostrate, or rambling; 10-100 cm long; rooting from lower nodes. Culm-nodes glabrous. Leaf-sheaths glabrous on surface, or pilose, or hirsute; outer margin hairy. Ligule an eciliate membrane; 0.5-0.7 mm long; acute. Leaf-blade base asymmetrical. Leaf-blades linear, or lanceolate, or elliptic, or ovate; 1-10 cm long; 3-18 mm wide. Leaf-blade surface glabrous, or hirsute. Leaf-blade margins scaberulous; ciliate; hairy at base. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; obovate; 3-25 cm long. Primary panicle branches spreading. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets obovate; laterally compressed; compressed strongly; gibbous; 1.3-2 mm long; falling entire.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets obovate; laterally compressed; compressed strongly; gibbous; 1.3-2 mm long; falling entire.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.75-1.5 mm long; 0.5-0.75 length of spikelet; membranous; without keels; 3-5 -veined. Lower glume apex acute. Upper glume oblong; gibbous; 1-1.75 mm long; 0.75-1 length of spikelet; membranous; without keels; 3-5 -veined. Upper glume surface pubescent, or hispidulous. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; oblong; 1.1-2 mm long; 1 length of spikelet; membranous; 5 -veined; pubescent; obtuse, or acute. Fertile lemma obovate; laterally compressed; gibbous; 1.25-2 mm long; indurate; without keel; 5-7 -veined. Lemma lateral veins obscure. Lemma margins involute. Lemma apex with a little green crest. Palea reflexed at apex; involute; indurate; 2 -veined.
Morphology Reproductive morphology Flowers
Anthers 3; 0.5-1 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Asia-temperate: China and eastern Asia. Asia-tropical: India, Indo-China, Malesia, and Papuasia. Australasia: Australia. Pacific: southwestern and northwestern.
Reference
Paniceae. HJW 2000.

Native to:

Andaman Is., Assam, Bangladesh, Borneo, Caroline Is., China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Laos, Lesser Sunda Is., Malaya, Maluku, Marianas, Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, Nicobar Is., Ogasawara-shoto, Philippines, Samoa, Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Tibet, Vietnam, West Himalaya

Cyrtococcum patens (L.) A.Camus appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Schmidt, J. [212], Thailand K000290223 Unknown type material
Merrill, E.D. [303], Philippines K000290226 lectotype
Wight [2344], India K000245275 Unknown type material
Wallich, G. C. [8740], India K000245276
Kerr, A.F.G. [12633], Thailand K000620898
Kerr, A.F.G. [13559], Thailand K000620899
Put [4194], Thailand K000620906
van Beusekom, C.F. [3338], Thailand K000682911
Gillett, R. [10], Thailand K000682913
Ryves, T.B. [KS95/036], Thailand K000682914
Smitinand, T. [3669], Thailand K000682916
Phengklai, C. [573], Thailand K000682917
Smitinand, T. [5692], Thailand K000682919
Laegaard [21635], Thailand K000682920
Laegaard, S. [21780], Thailand K000682923
Laegaard, S. [21780], Thailand K000682922
Wight, R. [2344], India K000674812
Kerr, A.F.G. [13559], Thailand K000620900
van Beusekom, C.F. [3275], Thailand K000682910
Kerr, A.F.G. [7867], Thailand K000620896
Laegaard, S. [21776], Thailand K000682921
Kerr, A.F.G. [7989], Thailand K000620897
Ryves, T.B. [KS95/036], Thailand K000682915
Kerr, A.F.G. [17595], Thailand K000620903
Kerr, A.F.G. [13808], Thailand K000620901
Wallich, G. C. [8740], India K000674811
Put [4194], Thailand K000620905
Larsen, K. [8525], Thailand K000682912
Kerr, A.F.G. [18992], Thailand K000620904
Larsen, K. [9574], Thailand K000682918
Kerr, A.F.G. [13808], Thailand K000620902

First published in Bull. Mus. Natl. Hist. Nat. 27: 118 (1921)

Accepted by

  • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
  • 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.
  • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
  • Gilliland, H.B. (1971). A revised flora of Malaya 3: 1-319. The Royal Botanic Gardens, Singapore.
  • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.
  • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • 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.
  • Middleton, D.J. & al. (eds.) (2019). Flora of Singapore 7: 1-525. Singapore Botanic Gardens.
  • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.
  • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
  • Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India Journal of Economic and Taxonomic Botany 32: 403-500.
  • Pandey, R.P. (2009). Floristic diversity of Ferrargunj forest area in South Andaman Journal of Economic and Taxonomic Botany 33: 747-768.
  • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
  • Turner, I.M. (1995 publ. 1997). A catalogue of the Vascular Plants of Malaya Gardens' Bulletin Singapore 47(2): 347-655.
  • 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

  • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
  • Camus, E.G. & Camus, A. in H. Lecomte (1922). Flore Générale de l'indo-Chine 1(3): 193-336.
  • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
  • Dassanayake (ed.) (1994). A Revised Handbook to the Flora of Ceylon 8: 1-458. Oxford & IBH Publishing Co. PVT. LTD., New Delhi, Calcutta.
  • Gilliland, H.B. (1971). A revised flora of Malaya 3: 1-319. The Royal Botanic Gardens, Singapore.
  • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.
  • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Masamune, G. (1942). Enumeratio phanerogamarum Bornearum: 1-739. Taihoku, Formosa.
  • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
  • Pandey, R.P. & Dilwakar, P.G. (2008). An integrated check-list flora of Andaman and Nicobar islands, India Journal of Economic and Taxonomic Botany 32: 403-500.
  • Pandey, R.P. (2009). Floristic diversity of Ferrargunj forest area in South Andaman Journal of Economic and Taxonomic Botany 33: 747-768.
  • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
  • 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

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  • Herbarium Catalogue Specimens

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  • 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