Plants of South Eastern New South Wales

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Canna indica

Common name

Tous-les-mois arrowroot, Canna lily

Family

Cannaceae

Where found

A weed of moist areas and swamps and waterways. Sometimes also found growing in old gardens, disturbed sites and waste areas. Coastal north of Conjola. Blue Mountains.

Notes

Introduced perennial herb to 2 m high, rhizomatous. Stems hairless. Leaves alternating up the stems, 20-60 cm long and 100-300 mm wide, margins entire, narrowing to a sheath at the base. Flowers red, yellow or occasionally red and yellow, apparently with 5 'petals', 3 'petals' 35-60 mm long and 5-15 mm wide, one to 40-50 mm long and 8 mm wide, and one 3-4 mm wide. Flowers single or in pairs, in larger branched clusters of 6-20 flowers. Flowering: mainly spring–summer.

General Biosecurity Duty all NSW.

PlantNET description:   http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Canna~indica (accessed 9 October, 2020)

Weeds of Australia Biosecurity Queensland Edition description:  http://keyserver.lucidcentral.org/weeds/data/media/Html/canna_indica.htm (accessed 9 April 2021)