the giant gunnera manicata plants growing overhead

amazon arboretum big botanical botany brasiliensis brazil brazilian braziliangiantrhubarb bush chlorophyll detail dinosaur exotic flora foliage food forest frond garden giant giantrhubarb gigantic green gunnera gunnerabrasiliensis gunneraceae gunneramanicata herb herbal huge jungle large leaf leaves magellanica mammutblatt manicata natural nature plant rhubarb riesen riesengunnera saintgallen scotland shrub species