Citation: L., Sp. Pl. 990 (1753).

Synonymy: A. patulus sensu J. Black, Fl. S. Aust. 330 (1948), at least in part, non Bertol.

Common name: Spleen (or slim) amaranth, princes feather, Prince of Wales feather.

Description:
Glabrous or sparsely pubescent erect annual usually under 1 m high; leaves elliptic to ovate, acute, 2-12 cm long, petiolate.

Flowers in cylindrical spikes, often with long branches, in the axils of upper leaves and terminal, the terminal spikes to c. 1 cm thick, greenish; bracts and bracteoles ovate, long-mucronate, usually 4-6 mm long, c. 2 times as long as the perianth; perianth-segments 4 or 5, narrow-ovate, acute, scarious.

Fruit smooth, about as long as the perianth, circumsciss; seed black, c. 1 mm diam.

	Amaranthus hybridus
Image source: fig 178c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 283.

Distribution:  S.Aust.: SL.   W.Aust.; Qld; N.S.W.; Vic.; Tas.   native to America. Conservation status: naturalised Flowering time: Dec. — May.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Taxonomic notes: Difficulty has been encountered in distinguishing this species from A. cruentus, and the occurrence of this species in S.Aust. needs confirmation.

Author: Not yet available