Plants of South Eastern New South Wales

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Amaranthus hybridus

Common name

Slim Amaranth, Spleen Amaranth

Family

Amaranthaceae

Where found

Pastures, disturbed sites, and cultivation. Sydney area and Canberra. Occasional elsewhere.

Notes

Introduced annual herb to 2 m high. Bracts below the flowers spine tipped. Stems hairless, grooved. Leaves alternating up the stems, 1.5-15 cm long, 10-60 mm wide, margins entire, tips pointed to blunt. Male and female flowers on the same plant. Flowers green, with 5 'petals' each 1–2 mm long, bracts 2.5-4 mm long. Flowers in a cylindrical many-flowered cluster, more or less hanging down. Flowers summer to autumn.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Amaranthus~hybridus (accessed 3 January, 2021)