I believe this to be a genotype and not an ecotype because it is surrounded by arum foliage of normal size. Arum italicum ‘Marmoratum’ foliage but more than twice the size Sep-May, 40cm.

Genus: ARUM
Variety: ITALICUM
Cultivar: ‘BADSEY GIANT’
Plant family: Araceae
Hardiness zone: H7 (below -20C)
Height: 

______

Other data

Foilage colour
Foliage season
Flower colour
Flowering season
Soil moisture
Shadiness
Hardiness

Plant ID 0