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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Oryza||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Oryza sativa L.
Habit: Annual (perennial herb). Stem: 4--15(20) dm. Leaf: sheath generally glabrous; ligule 4--10 mm, acute; blade 15--35 cm, 3--11 mm wide, glabrous to minutely scabrous. Inflorescence: 10--50 cm; branches capillary, drooping. Spikelet: elliptic, 6--11 mm, 2--4 mm wide; glumes vestigial; sterile lemmas 1.5--3(10) mm, awns 0; fertile lemma 6--11 mm, 2--3 mm wide, 3-veined; fertile palea 1--2 mm wide. Chromosomes: 2n=24.
Ecology: Wet sites; Elevation: < 100 m. Bioregional Distribution: GV; Distribution Outside California: Texas to southeastern United States, Mediterranean; native to southeastern Asia. Flowering Time: Sep--Nov Note: Perhaps our most important food pl, it is also used to feed cattle, as a starch source, and is fermented to make beer and sake.
Unabridged Note: Historical waif in Santa Barbara Co., collected once in 1962, and Imperial Co., collected once in 1954.
eFlora Treatment Author: Dieter H. Wilken
Jepson Online Interchange
Previous taxon: Oryza
Next taxon: Panicum
Citation for this treatment: Dieter H. Wilken 2016. Oryza sativa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=35533, accessed on October 28, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 28, 2016.