Canna 'Roma'
syns Florence Vaughan, Florence Vaughn, Golden Eagle, Heinrich Seidel (2), Jennifer, Orange King Humbert, Papillon, Tropicluster
(Italian Group)(Heritage Group)
Origin SPRENGER Karl
Parentage unknown
Height Medium, over 3ft/90cm
Foliage Green
Form Upright
Flower Multi-coloured
Flowering Early summer to frosts
Tillering Prolific
Available Specialist
Introduced by Karl Sprenger of Messrs Dammann et Cie, Italy in 1898, Canna 'Roma' is a medium height Italian Group cultivar; green foliage, oval shaped, acute apex, white margin, upright habit; round main stems, coloured green & purple; flowers are open, yellow with orange blotches, throat red-orange, staminodes are large, edges lightly frilled, stamen is orange-red, petals red, fully self-cleaning, flowers in early summer until frosts, blooms open in the early morning; seed is sterile, pollen is low fertile; rhizomes are long and thin, coloured white and pink; tillering is prolific.
Canna 'Roma' is available from specialist growers.
References
Revue Horticole, 1895
Roma. - Plante aussi grande et aussi vigoureuse que la précédente. Tiges ayant atteint 2m 45 de hauteur, erigées, cylindriques, vertes à peine teintées de violacé, au nombre de 15 sur un jeune plant de l’année. Feuilles dressées, grandes, ovales-aiguës, à longues gaines vertes, à limbe vert foncé épais et parcheminé, fortement nervées-striées, à côte médiane un peu canaliculée en dessus, très-saillante et arrondie en dessous, à bords blancs amincis. Hampe à une ou deux ramifications longues, accompagnées aux nœuds renflés de longues gaines semi-embrassantes, vertes nuancées de violet, obtuses. Inflorescence en épi paniculé, à rachis vert, triquêtre; fleurs géminées, accompagnées de deux ou trois bractées sub-orbiculaires dont l'extérieure plus grande; ovaire vert, obscurément trigône, surmonté des trois sépales d'un rose verdàtre bordé de blanc, égalant la longueur du tube de la corolle dont les divisions externes sont lancéolées aiguës brun rosé, à bords convolutés; divisions internes largement ovales à centre rouge orange fauve s'irradiant en dentelures et en larmes de même couleur jusqu'au large bord jaune doré; division la plus centrale et étamine pétaloïde jaune d'or ponctué d'orangé du milieu à la base; anthére latérale jaune clair; pistil spatulé oblique, vernissé, jaune clair à sommet rouge. Capsule grosse, trigone, verruqueuse, stérile.
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Roma. - Plant as large and as vigorous as the previous one. Stems having reached 2m 45 in height, erect, cylindrical, green barely tinged with purplish, 15 in number on a young plant of the year. Leaves erect, large, oval-acute, with long green sheaths, with a thick, parchment-like dark green blade, strongly veined-striated, with a median rib a little canaliculated above, very prominent and rounded below, with thinned white edges. Stalk with one or two long ramifications, accompanied at the swollen nodes by long, semi-embracing sheaths, green tinged with purple, obtuse. Inflorescence in paniculate spike, with green, triquetral rachis; geminate flowers, accompanied by two or three sub-orbicular bracts of which the outer one is larger; green ovary, obscurely trigonous, surmounted by three sepals of a greenish pink bordered with white, equaling the length of the corolla tube whose external divisions are acute lanceolate pinkish brown, with convoluted edges; internal divisions broadly oval with a tawny orange-red center radiating in serrations and tears of the same color up to the broad golden yellow edge; most central division and petaloid stamen golden yellow punctuated with orange from the middle to the base; lateral anther light yellow; pistil oblique spatulate, varnished, light yellow with a red top. Capsule large, trigonous, warty, sterile.
Damman & Cie, 1899
Roma- 1897
About 3 to 4 feet and a half. Growth extremely luxuriant, leaves glaucous. Very numerous and large
panicles; flowers large with yellow ground flamed salmon-red.
RHS Journal of 1908-9
L. Clause Catalogue, Spring 1929
Roma. – Feuillage vert bleuté. Grande fleur à fond jaune. Haut. 1 m. 70.
Tropical Plants and Gardening, H.F. MacMillan, 1935
Orange and yellow, Orchid flowered.
Tropical Planting and Gardening, H.F. MacMillan, 5th Edition, 1954
Orchid-flowered orange and yellow
KAVB International Canna Checklist, September 2004
Karl Sprenger 1897; flowers yellow, mottled red, leaves green height over 80 cm.
Claines Canna Collection 2006
Summary: Large and vigorous. Stems up to 2m height, vertical, cylindrical, green with slight tinting of purple, 15 stems on a young seedling during a good year. Nasturtium orange flower , with yellow rim. The seed capsule is a large, three-part, warted, but sterile capsule. The foliage is upright, green, strongly marked veins, thin white margin.
Size: Large and vigorous. Stems up to 2m height, vertical, cylindrical, green with slight tinting of purple, 15 stems on a young seedling during a good year.
Flower: Nasturtium orange, with yellow rim.
The seed capsule is a large, three-part, warted, but sterile capsule.
Foliage: Upright, green, strongly marked veins, thin white margin.
Origin: 1898, Karl Sprenger of Dammann & Co, Naples, Italy.
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