Rheum ×rhabarbarum

Systematics :

Kingdom: Plantae
Artificial group: Vascular plant (Tracheophytes)
Superphylum: Spermatophyte
Phylum: Magnoliophyta
Subclass: Magnoliidae
Family: Polygonaceae
Genus: Rheum
Species: Rheum ×rhabarbarum

Other names: hagerabarbra

Norwegian name: Rabarbra