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|common_name=Gunnera brasiliensis, Giant rhubarb
|common_name=Gunnera brasiliensis, Giant rhubarb
|name_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|name_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|habit=herbaceous
|Min ht box=6
|Min ht box=6
|Min ht metric=ft
|Min ht metric=ft
|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|usda_ref=Flora - A Gardener's Encyclopedia ISBN 0881925381
|max_zone=9
|max_zone=9
|image=Upload.png
|image=gunnera.manicata.arp.750pix.jpg
|image_width=240
|image_width=240
}}
}}
'''''Gunnera manicata''''', or giant rhubarb, a native of Brazil, is an [[ornamental plant]] in the [[Gunneraceae]] family.
The underside of the leaf and the whole stalk have spikes on them. The leaves of Gunnera grow to an impressive size. Leaves with diameters well in excess of four feet are commonplace, with a spread of 10 feet by 10 feet on a mature plant.
This plant grows best in damp conditions eg by the side of garden ponds, but dislikes winter cold and wet. Cover the plant with its own dead foliage to protect the crown in winter.
{{Inc|
{{Inc|
Gunnera manicata, Lind. Fig. 1770. St. thick and very short, the titanic crown of lvs. rising from the ground: petioles often as tall as a man, prickly: blades becoming 5-10 ft. across, orbicular in general outline, variously lobed, crenate, furrowed and channelled along the great veins: fls. green: spikes dense and tapering, often more than 1 ft. diam. and 3-4 ft. tall. S.Brazil. I.H.31:531. Gn. 45, p. 21; 50, p. 455; 54, p. 385; 59, p. 327; 03, p. 127; 70, p. 179; 74, p. 451. G.C. III. 14:589; 29, suppl. Jan. 12. G.M. 54:101, 647. G.F. 8:55.—The crown of lvs. sometimes measures 25-35 ft. across, making a magnificent plant. This is the better species.
Gunnera manicata, Lind. Stem thick and very short, the titanic crown of lvs. rising from the ground: petioles often as tall as a man, prickly: blades becoming 5-10 ft. across, orbicular in general outline, variously lobed, crenate, furrowed and channelled along the great veins: fls. green: spikes dense and tapering, often more than 1 ft. diam. and 3-4 ft. tall. S.Brazil.—The crown of lvs. sometimes measures 25-35 ft. across, making a magnificent plant. This is the better species.
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==Cultivation==
==Cultivation==
===Propagation===
===Propagation===
===Pests and diseases===
===Pests and diseases===
==Species==
==Varieties==
==Gallery==
==Gallery==
<gallery perrow=5>
<gallery>
Image:Upload.png| photo 1
Image:Upload.png| photo 1
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Image:Upload.png| photo 2
==References==
==References==
<!--- xxxxx *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963 -->
<references/>
<!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 -->
<!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 -->
<!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 -->
<!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 -->
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