Canna tuerckheimii

taxobox
name = "Canna tuerckheimii"
regnum = Plantae
unranked_divisio = Angiosperms
unranked_classis = Monocots
unranked_ordo = Commelinids
ordo = Zingiberales
familia = Cannaceae
genus = "Canna"
species = "C. tuerckheimii"
binomial = "Canna tuerckheimii"
binomial_authority = Kraenzl.|

"Canna tuerckheimii" Kraenzl. is a species of the "Canna" genus, belonging to the family Cannaceae. Native of Belize, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, Panama, Colombia and Ecuador at altitudes of 500-2,000m (1,600 - 6,500ft). Johnson's Dictionary of 1856 reports that it first entered England in 1820 as "Canna latifolia", meaning 'broad-leaved'.

It is a perennial growing to 4-5m. It is hardy to zone 10 and is frost tender. In the north latitudes it is in flower from August to October, and the seeds ripen in October. The flowers are hermaphrodite.

ynonyms

* "Canna altensteinii" Bouché
* "Canna coccinea var. sylvestris" (Roscoe) Regel
* "Canna curviflora" Horan.
* "Canna gemella" Nees & Mart.
* "Canna gigantea" F. Delaroche
* "Canna iridiflora" Willd.
* "Canna latifolia" Mill.
* "Canna macrophylla" Hort. ex Horan.
* "Canna neglecta" Weinm.
* "Canna sylvestris" Roscoe
* "Canna violacea" Bouché
* Canna 'Broad-leaved canna'

Taxonomy

In the last three decades of the 20th century, "Canna" species have been categorised by two different taxonomists, Paulus Johannes Maria Maas, from the Netherlands and Nobuyuki Tanaka from Japan. Maas and Tanaka disagree on the correct taxonomic placement of this species, with Tanaka considering the correct placement for the species to be "C". "latifolia".

"Canna tuerckheimii" Kraenzl.

Giant species canna with vast stems carrying large green leaves and high carried orange-red flowers. Stems of up to 3 — 3.5m (11½ft) in height. Green leaves, relatively large - 30—100cm x 15—40cm (12—36in x 6—16in), lower side and sheaths lanuginose. Flowers are erect orange-red, 5.5 —9cm (2¼—3½in) long; floral tube not curved, composed of 9 coloured parts; petals not reflexed; with 4 staminodes.

References

* Cooke, Ian, 2001. The Gardener's Guide to Growing cannas, Timber Press. ISBN 0-88192-513-6
* Johnson's Gardeners Dictionary, 1856
* Kelsey & Dayton, 1942. Standardized Plant Names.
* Tanaka, N. 2001. Taxonomic revision of the family Cannaceae in the New World and Asia. Makinoa ser. 2, 1:34–43.

External links

* [http://www.kew.org/wcsp/prepareChecklist.do Kew Gardens, Checklist of plant families]
* [http://www.ingentaconnect.com/content/iapt/tax/2004/00000053/00000003/art00025 Proposal to conserve the name Canna tuerckheimii]

=See also=
* Canna
* List of Canna species
* List of Canna cultivars