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Glyceria maxima (Hartm.) Holmb.

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Glyceria maxima (Hartm.) Holmb. (1919)
Glyceria maxima (Hartm.) Holmb.

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Exotic
Wild
New Zealand
Political Region

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(Hartm.) Holmb.
Hartm.
Holmb.
1919
ICN
species
Glyceria maxima

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maxima

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Glyceria maxima (Hartm.) Holmb.

Tall, luxuriant, wide-leaved perennial sending up numerous long leafy shoots from a stout creeping rhizome. Leaf-sheath entire at first, later splitting, light green to pale brown, often purplish, paper-like, shining, very finely scabrid to almost smooth, with numerous conspicuous cross-veinlets. Ligule (4)-4.5-6.5 mm, firmly membranous, glabrous, blunt, but tapered centrally to fine point. Leaf-blade (20)-30-50 cm × 10-20 mm, flat, finely striate, very finely scabrid to almost smooth, abaxially scabrid above on conspicuous midrib; margins finely scabrid, tapering abruptly to short ± rigid tip. Culm (5)-10-180 cm, robust, internodes glabrous. Panicle 20-30-(40) cm, lax and open, or contracted and rather dense, broadly ovate to oblong, with numerous spikelets; rachis, branches and pedicels finely scabrid, longer branches naked below. Spikelets (5)-6-7.5-(10) mm, (3)-4-8-flowered, green, or tinged purplish brown. Glumes subequal, hyaline, 1-nerved; lower 1.7-2.5 mm, elliptic-oblong, subacute, upper 2-3.5 mm, ovate-oblong, obtuse. Lemma 2.5-3.5 mm, 7-nerved, elliptic to ovate-elliptic, broadly obtuse, subcoriaceous; nerves minutely prickle-toothed, not reaching upper hyaline minutely prickle-toothed margins. Palea oblong, keels tubercular-scabrid. Rachilla 0.7-1 mm, glabrous. Anthers (1)-1.5-1.8 mm. Caryopsis c. 1.5 × 1 mm.

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Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.
Glyceria maxima (Hartm.) Holmb.

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Glyceria maxima (Hartm.) Holmb.
New Zealand
Canterbury Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Gisborne Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Hawke's Bay Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Nelson Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
North Auckland Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Otago Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
South Auckland Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Southland Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Taranaki Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Wellington Land District
Glyceria maxima (Hartm.) Holmb.
New Zealand
Westland Land District
Glyceria maxima (Hartm.) Holmb.
United Kingdom

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6efae436-5189-46b3-a31c-f14ed8a89efe
scientific name
Names_Plants
1 January 2000
20 March 2007
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