Cannas Origins & History

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The genus is native to tropical and subtropical regions of the New World, from the southern United States (southern South Carolina west to southern Texas) and south to northern Argentina.

Although all cannas are native to the New World, they have followed mankind's journeys of discovery and some species are cultivated and naturalized in most tropical and sub-tropical regions.

Canna cultivars are grown in most countries, even those with territory above the Arctic circle, which have short summers but long days, and the rapid growth rate of Cannas makes them a feasible gardening plant, as long as they get their 6 hours of sunlight each day during the growing season and are protected from the cold of winter.

The first Cannas introduced to Europe were C. indica L., which was imported from the East Indies, though the species originated from the Americas. Charles de l'Ecluse, who first described and sketched C. indica in his Histoire des plantes rare observées en Espagne, published in 1576, indicates this origin, and states that it was given the name of indica, not because the plant is from India, in Asia, but because this species was originally transported from America: "Quia ex America primum delata sit"; and at that time, one described the tropical areas of that part of the globe as the Western Indies; English speakers still call them the West Indies.

Much later, in 1658, Pison made reference, in his Histoire naturelle du Brésil, to another species which he documented under the vulgar or common name of 'Albara' and 'Pacivira', which resided, he said, in the shaded and damp places, between the tropics; this species is Canna angustifolia L., (later reclassified as C. glauca L. by taxonomists).

Without exception, all Canna species that have been introduced into Europe can be traced back to the Americas, and it can be asserted with confidence that Canna is solely an American genus. If Asia and Africa provided some of the early introductions, they were only varieties resulting from C. indica and C. glauca cultivars that have been grown for a long time in India and Africa, with both species imported from Central and South America.

Canna is an American genus, as pointed out by Lamarck in his Botanical Encyclelopédie , were he argues that "Cannas were unknown to the ancients, and that it is only after the discovery of the New World, that they made their appearance in Europe; Since Canna have very hard and durable seed coverings, it is likely that seed remains would have survived in the right conditions and found by archaeologists in the Old World. If the soils of India or Africa had produced some of them, they would have been imported before the 1860’s into European gardens.

Added on Jan 20, 2008 by wikpedia