Gunnera manicata, giant gunnera
Family: Gunneraceae
Description:
Gunnera manicata is most easily recognizable for its extremely large size. Leaves can reach three meters across with petioles three meters long! Appearance is almost prehistoric, with spiny stems and large conical inflorescences that carry tens of thousands of seeds. If fertilized, orange berry-like fruit will emerge (each about 4mm).
There are alternative species of Gunnera that are much smaller. Gunnera manicata is sometimes confused with Gunnera tinctoria, which is slightly more modest in size.
Growing conditions:
This species requires high levels of moisture. Growth is rhizomatous and often forms in large clumps. Gunnera manicata is not terribly hardy and should not be grown 100-200m above sea level. Cutting the leaves at the base of the petiole and turning the leaves upside-down can protect the crown over winter. Once established and planted in the right conditions, it is difficult to kill.
Suitable uses:
Due to the large scale, it is best to place this plant in a location with plenty of room, such as an open park area. As a water loving species, Gunnera manicata works very well next to a pond.
CC Image courtesy of Alex in situ on Flickr
CC Image courtesy of scott.zona on Flickr