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(Canna indica, fam. Cannaceae )

Canna indica Canna indica Canna indica Canna indica Canna indica

Perennial rhizomatous, unbranched, upright, glabrous herb to 2m tall.

Form or habit: Herb
Leaf:Simple Alternate

Alternate elliptic, up to 450 x 250mm, apex pointed, base narrowed into open tubular sheath, margins entire.

Flower conspicuous: Conspicuous
Flower colour: Red to Yellow
Flower description:Irregular, borne above foliage on cane-like terminal spikes or on 2-flowered branches: red to yellow, up to 50 x 15mm.
Fruit conspicuous: Conspicuous
Fruit colour: Black or Brown
Fruit: Dry
Fruit description: Textured capsules, 20-30mm long with numerous round black or dark brown seeds, 5-6mm long.
Food source for:
Toxicity:No toxicity known
Origin:Tropical America
Weed status:Environmental/garden escapee
Notes:Spread by: Seeds, water, garden waste, vegetatively from rhizomes.
Invades: Creek banks, Melaleuca forest, open wetlands and roadsides.

Notes: Survives wet conditions. Indian Shot (C. indica) is the more often encountered species. Canna Lily (C x orchiodes) is a cultivated hybrid and does not produce viable seeds but reproduces vegetatively from rhizomes. A population has been recorded from near Hay Point.
Information sources: Mackay Regional Pest Management Group (2011) Weeds of the Mackay Whitsunday Region.

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