Thor Dalebö.

Atronigricans

Canna ‘Atronigricans’
(Foliage Group)

ORIGIN Jardin de la ville de Paris, 1864
HEIGHT Medium, 1-2 metres
FOLIAGE Dark
FLOWER Orange

Canna ‘Atronigricans’ is a medium sized Foliage Group cultivar; dark foliage; flowers are erect, self-coloured orange-yellow, staminodes are narrow, blooms open in the early morning; fertile both ways, not self-pollinating or true to type, capsules globose; rhizomes are long and thin, coloured purple.

Grown principally for its foliage, which appears to be black. Still grown  in France.  

Le Canna, E. Chaté et fils, 1867
1864. Breeder: Jardin de la ville de Paris
Subtropical Gardening - Robinson 1868
Stems of medium thickness, seldom exceeding 3¼ ft. in height. Leaves of a purplish shade passing into dark-red, of a deeper hue than those of C. nigricans. Flowers few, of a golden-brown colour. Rootstocks small and few, with reddish scales. A very handsome but tender kind.