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Canna glauca

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Kingdom  Plantae
Family  Cannaceae
Scientific name  Canna glauca
Rank  Species
Order  Zingiberales
Genus  Canna
Higher classification  Canna
Canna glauca Canna glauca Wikipedia
Similar  Canna, Canna flaccida, Cannaceae, Canna √ógeneralis, Canna iridiflora

Canna glauca is a species of the Canna genus, a member of the family Cannaceae. It originates from the wetlands of tropical America and was introduced to England in 1730. The species is native to the southeastern and south-central United States (Texas, Florida, Louisiana and South Carolina) as well as Mexico, Central America, South America and the West Indies. It is also reportedly naturalized in Sri Lanka, Thailand, Vietnam, Java and the Philippines.

Contents

Canna glaucais a perennial growing to 1.5m. 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 hermaphroditic.

Canna glauca Canna glauca Bright Yellow Wallis Creek Watergarden

Taxonomy

Canna glauca Canna glauca Water canna NPIN

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. Inevitably, there are differences in their categorisations.

Both agree that C. glauca is a distinct species, but in addition, Tanaka also recognises two varieties:

  • Canna glauca var. glauca

  • Canna glauca httpsuploadwikimediaorgwikipediacommonsthu

    It is aquatic species, with narrow, blue-green (glaucous) leaves, atop of which sit its large, delicate, pale yellow flowers. It grows as a marginal plant in up to about 15 cm of still or slow-moving water.

    Canna glauca Canna glauca Water canna NPIN
  • Canna glauca var. siamensis (Kraenzl) N.Tanaka, 2001 - widespread in South and Southeast Asia, where it is supposed to have differentiated within the past few centuries.
  • Cultivation

    Canna glauca Canna glauca Water canna NPIN

    The species prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The preferred soil is acid, neutral and basic (alkaline). It cannot grow in the shade and requires moist soil.

    References

    Canna glauca Wikipedia


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