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Leersia oryzoides (L.) Sw.

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Leersia oryzoides (L.) Sw. (1788)
Leersia oryzoides (L.) Sw.

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Exotic
Wild
New Zealand
Political Region

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(L.) Sw.
L.
Sw.
1788
ICN
species
Leersia oryzoides

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oryzoides

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Leersia oryzoides (L.) Sw.

Rhizomatous, yellow-green erect perennials. Leaf-sheath rounded, retrorsely scabrid between the fine nerves. Ligule c. 1 mm, chartaceous, truncate, or erose. Leaf-blade 9-20 cm × 7-10 mm, flat, finely prickle-toothed on both surfaces and on margins, finely pointed. Culm to 50 cm, internodes glabrous; nodes pubescent. Panicle 10-14 cm, enclosed at base by uppermost leaf-sheaths; branches filiform, flexuous, naked in lower ⅓. Spikelets c. 5 mm, elliptic-oblong, very pale green to later dark brown, shortly pedicelled, falling entire at maturity. Glumes reduced to a minute cupule at tip of pedicel. Lemma c. 5 mm, cymbiform, nerves 5, confluent at apex, firmly membranous, stiffly toothed on strong keel and scattered elsewhere, abruptly narrowed above to a short, blunt tip. Palea ≈ lemma, texture similar, hyaline, 3-nerved, keel stiffly long toothed. Stamens 3, sometimes 2; anthers c. 1.5 mm, 0.5 mm in cleistogamous flowers. Gynoecium: ovary glabrous; stigmas plumose, laterally inserted. Caryopsis c. 3 × 1.2 mm, laterally compressed, whitish to dark brown; embryo small; hilum linear, ≈ caryopsis.

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Leersia oryzoides (L.) Sw.
Leersia oryzoides (L.) Sw.

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Leersia oryzoides (L.) Sw.
New Zealand
Leersia oryzoides (L.) Sw.
New Zealand
North Auckland Land District
Leersia oryzoides (L.) Sw.
New Zealand
South Auckland Land District
Leersia oryzoides (L.) Sw.
United Kingdom

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15369e1b-8cce-4a8f-a4ce-838cda671d33
scientific name
Names_Plants
1 January 2000
19 March 2007
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