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Project Name Data (Last Modified On 10/16/2012)
 

Flora Data (Last Modified On 10/16/2012)
Genus ORYZA
PlaceOfPublication Sp. Pl. 333. 1753.
Description Spikelets 1-flowered, disarticulating below the glumes, laterally compressed; glumes narrow, much shorter than the lemma (in our species); lemma indurate, rigid, keeled, 3-nerved, awned or sometimes awnless, sparsely to rather densely hispid; palea similar to the lemma but narrower and with no midnerve on the back, the two nerves close to the margins.
Note Annuals or perennials with flat blades and open or contracted panicles.
Key a. Plants annual, cultivated, sometimes escaped - - 1. 0. SATIVA aa. Plants perennial, native. b. Spikelets 8-9 mm. long; awns 5-10 cm. long; panicles narrow; blades 7-14 mm. wide --- -- 2. 0. PERENNIS bb. Spikelets 5 mm. long; awns 1-2 cm. long; panicles large and open; blades 1-3.5 cm. wide --- -- -- 3. 0. LATIFOLIA
 
 
 
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