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This species is accepted, and its native range is New Guinea.

[GB]
Morphology General Habit
Perennial. Culms erect; 60-120 cm long. Culm-nodes glabrous. Ligule an eciliate membrane; 2-3 mm long; trilobed. Leaf-blades 15-30 cm long; 6-8 mm wide. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle; embraced at base by subtending leaf. Panicle contracted; lanceolate, or elliptic; 10-20 cm long. Primary panicle branches ascending; 2-3 -nate. Panicle branches angular; smooth. Spikelets solitary. Fertile spikelets pedicelled. Pedicels linear; angular; 4-12 mm long; tip cupuliform and lobed.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 7-8 mm long; 1.5-2 mm wide; falling entire. Spikelet callus glabrous; base truncate.
Fertile
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 7-8 mm long; 1.5-2 mm wide; falling entire. Spikelet callus glabrous; base truncate.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes both absent or obscure.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets similar; barren; without significant palea. Lemma of lower sterile floret subulate; 10-14 mm long; 1.4-1.8 length of spikelet; without lateral veins. Lemma of upper sterile floret subulate; 10-14 mm long; 1 length of lower sterile floret. Fertile lemma elliptic; laterally compressed; 7-8 mm long; coriaceous; keeled; 5 -veined. Lemma midvein spinulose. Lemma surface scabrous; rough on veins. Lemma margins interlocking with palea margins. Lemma apex rostrate; awned; 1 -awned. Principal lemma awn 15-26 mm long overall; limb scabrous. Palea elliptic; coriaceous; 3 -veined; 1-keeled. Palea keels spinulose. Palea surface granular. Palea apex acute.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Disseminule comprising a floret.
Distribution
Asia-tropical: Papuasia.
Reference
Oryzeae. Jansen.

Native to:

New Guinea

Oryza longiglumis Jansen appears in other Kew resources:

First published in Reinwardtia 2: 312 (1953)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.

Literature

Kew Backbone Distributions

  • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.

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 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