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Cultivar

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.  

Canna 'Atronigricans'
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.
Cultivar

Aurantiaca splendida

Canna ‘Aurantiaca splendida’
(Foliage Group)

ORIGIN Jardin de la ville de Paris, 1864
HEIGHT Giant, over 3 metres
FOLIAGE Green
FORM Upright
FLOWER Orange

Canna ‘Aurantiaca splendida’ is a giant Foliage Group cultivar; green foliage, very large, upright habit; oval stems, coloured green; flowers are erect, self-coloured orange, staminodes are medium size, edges regular, petals red with farina, fully self-cleaning, blooms open in the early morning; fertile both ways, not true to type, self-pollinating, capsules round; rhizomes are thick, up to 7 cm in diameter, coloured white and purple; tillering is prolific.

References
Le Canna, E. Chaté et fils, 1867
1864. Breeder: Jardin de la ville de Paris
Subtropical Gardening - Robinson 1868
Stems green, downy. rather thick, 6½ ft. to over 8 ft. high. Leaves oval, erect, 2 ft. 4 ins, to 2¾ ft. long and 1 ft. wide, with very prominent membranes. Flowers in September, orange, well-formed, and of a good size. Rootstocks small. A very vigorous-growing variety.