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|Jepson eFlora: Taxon page
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Leersia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Leersia oryzoides (L.) Sw.
Stem: 1--1.5 m; nodes short, soft-hairy. Leaf: sheath glabrous to minutely scabrous; ligule +- 1 mm, truncate; blade 10--28 cm, 8--14 mm wide, margin strongly scabrous, with downward-pointing teeth. Inflorescence: 12--20 cm; lower branches +- spreading. Spikelet: 4--5 mm, oblong to narrowly elliptic; lemma 4--5 mm, width 3--5 × palea width. Chromosomes: 2n=48.
Ecology: Marshes, streams, ponds; Elevation: < 1200 m. Bioregional Distribution: CA-FP (exc CW); Distribution Outside California: to British Columbia, eastern North America; Eurasia. Flowering Time: Aug--Oct Note: Lateral inflorescences enclosed by sheath, generally cleistogamous. Leersia hexandra Sw., with ascending to appressed inflorescence branches, smaller spikelets, has been reported, but not documented, in rice fields in ScV.
eFlora Treatment Author: Dieter H. Wilken
Jepson Online Interchange
Previous taxon: Leersia
Next taxon: Leptochloa
Citation for this treatment: Dieter H. Wilken 2016. Leersia oryzoides, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=30431, accessed on October 21, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 21, 2016.