Family:
Poaceae Barnhart
Genus:
Oryza L.

Oryza schlechteri Pilg.

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

[GB]
Morphology General Habit
Annual. Culms erect; 30-90 cm long. Ligule an eciliate membrane; 1-2 mm long. Leaf-blades 20-30 cm long; 5-10 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; elliptic; dense; 3-6 cm long. Primary panicle branches spreading. Panicle branches angular. Spikelets spreading; solitary. Fertile spikelets pedicelled. Pedicels linear; angular; 1 mm long; tip cupuliform.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets orbicular; laterally compressed; gibbous; 1.5-1.7 mm long; falling entire. Spikelet callus glabrous; base truncate.
Fertile
Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets orbicular; laterally compressed; gibbous; 1.5-1.7 mm long; 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 lanceolate; 0.2 mm long; 0.1 length of spikelet; 1 -veined; without lateral veins; acute. Lemma of upper sterile floret lanceolate; 0.2 mm long; 1 length of lower sterile floret. Fertile lemma orbicular; laterally compressed; gibbous; 1.5-1.7 mm long; coriaceous; keeled; 5 -veined. Lemma surface striate. Lemma margins interlocking with palea margins. Lemma apex rostrate; muticous. Palea elliptic; coriaceous; 3 -veined; 1-keeled. Palea surface smooth. 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. Pilger.

Native to:

New Guinea

Oryza schlechteri Pilg. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Schlechter, F.R.R. [16684], Papua New Guinea K000290488 isotype Yes
Schlechter, F.R.R. [16684], Papua New Guinea K000290489 isotype Yes

First published in Bot. Jahrb. Syst. 52: 168 (1914)

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

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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