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Long grain paddy rice

Scientific Name
Oryza sativa - long grain
Scientific Author
Linnaeus, C (1753)
Taxonomy
(Magnoliophyta: Liliopsida: Cyperales: Poaceae)
Reliability
High
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Diagnostic Images

Floret Lateral
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Caption
Seed Project
Source
Clare McLellan Museum Victoria
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Diagnostic Images (10)
Other Images (2)
Diagnostic Notes
Pictured: Floret and Caryopsis

Description:

Floret appendages: Awn, Colliculate, Scabrous

Floret colour: Orange, Yellow

Floret Length: 7 - 10mm

Floret Shape: Oblong, Lanceolate (Lance shaped)

Seed Colour: Ivory

Seed Length: 4 - 7mm

Seed Sculpture: Roughened

Seed Shape: Oblong

Floret - Rice (Paddy is a term for rice in it's natural harvested state)

Caryopsis - rice (processed - 'polished')

Basal sterile florets similar; barren; without significant palea. Lemma of lower sterile floret lanceolate; 2–3 mm long; 0.25(–0.5) length of spikelet; membranous; without lateral veins; emarginate. Lemma of upper sterile floret lanceolate; 2–3 mm long; 1 length of lower sterile floret; membranous. Fertile lemma elliptic; laterally compressed; 8–11 mm long; coriaceous; keeled; 5 -veined. Lemma midvein ciliate; hairy above. Lemma surface reticulate; glabrous, or hispid. Lemma margins involute. Lemma apex rostrate; muticous, or awned; 1 -awned. Principal lemma awn 0–160 mm long overall; limb scabrous. Palea elliptic; 1 length of lemma; coriaceous; 3 -veined; 1-keeled. Palea keels scabrous. Palea apex acute.

Caryopsis with adherent pericarp. Disseminule comprising a floret.

Source: See Weblinks KEW Royal Botanic Gardens

More Information
Author
Clare McLellan
Created
07/02/2012 03:36 AEST
Last Updated
16/01/2013 12:05 AEST
Citation
Clare McLellan (2012) Long grain paddy rice (Oryza sativa - long grain) Updated on 1/16/2013 12:05:37 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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