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

[GB]
Morphology General Habit
Perennial. Culms geniculately ascending; 30-90 cm long. Ligule a fringe of hairs. Leaf-blades 10-45 cm long; 3-20 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence composed of racemes. Racemes borne along a central axis; simply spaced, or closely spaced; unilateral; 1-4 cm long; simple. Rhachis angular. Spikelet packing irregular; 4 -rowed. Spikelets in pairs. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; gibbous; cuspidate; 3-4 mm long; falling entire.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; gibbous; cuspidate; 3-4 mm long; falling entire.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.25-0.75 length of spikelet; membranous; without keels; 3-5 -veined. Lower glume surface hispidulous; with simple hairs, or tubercle-based hairs. Lower glume apex acute. Upper glume ovate; membranous; without keels; 5 -veined. Upper glume surface hispidulous; with simple hairs, or tubercle-based hairs. Upper glume hairs 0.2-0.5 mm long.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets male, or barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; hispidulous; with simple hairs, or tubercle-based hairs; bearing hairs 0.2-0.5 mm long; acuminate; awned. Awn of lower sterile floret 2-7 mm long. Fertile lemma ovate; gibbous; 3-4 mm long; indurate; much thinner above; shiny; without keel; 5 -veined. Lemma margins involute. Lemma apex acute; laterally pinched. Palea reflexed at apex; indurate.
Morphology Reproductive morphology Flowers
Anthers 3.
Distribution
Asia-tropical: India, Indo-China, Malesia, and Papuasia. Australasia: Australia. Pacific: southwestern, northwestern, and north-central.
Reference
Paniceae. Michael 1994.

Native to:

East Himalaya, Fiji, India, Jawa, Malaya, Marianas, New Guinea, Philippines, Queensland, Samoa, Sri Lanka, Thailand

Introduced into:

Hawaii

Echinochloa picta (J.Koenig) P.W.Michael appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Kerr, A.F.G. [3817], Thailand K000620444
Kerr, A.F.G. [11097], Thailand K000620929
Kerr, A.F.G. [19708], Thailand K000620977
Niyomdham, C. [1705], Thailand K000688030
Sorensen, Th. [6063], Thailand K000688035
van Beusekom, C.F. [4228], Thailand K000688036
Smitinand, T. [5403], Thailand K000688033
md Haniff [2918], Thailand K000688032
Comler, J.B. [1622], Thailand K000688031
Sorensen, Th. [1816], Thailand K000688034

First published in Philipp. J. Weed Sci. 5: 18 (1978)

Accepted by

  • 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.
  • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.
  • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
  • Middleton, D.J. & al. (eds.) (2019). Flora of Singapore 7: 1-525. Singapore Botanic Gardens.
  • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

Literature

Kew Backbone Distributions

  • 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.
  • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

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

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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