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Electronic Flora of South Australia species Fact Sheet

Family: Amaranthaceae
Amaranthus mitchellii

Citation: Benth., Fl. Aust. 5:214 (1870).

Synonymy: Euxolus mitchellii (Benth.)F. Muell. in E. Giles, Geog. Cent. Aust. 214 (1875).

Common name: Boggabri weed.

Glabrous annual with erect or ascending branches, to c. 50 cm or more high; leaves ovate or lanceolate to oblong, 2-5 cm long (incl. petiole), obtuse to emarginate, often mucronate.

Flowers whitish-green, in axillary sessile or stalked globular clusters, or sometimes in short terminal spikes with a few small leaves; bracts and bracteoles narrow, acuminate, shorter than the female perianth; perianth-segments 5, 2-2.5 mm long, broadly spathulate, with long narrow claws so that the ripe fruit is visible between them, and broad scarious mucronate laminas which spread from above the middle; styles 3, thick at the base.

Fruit longitudinally wrinkled so as to appear ribbed, with a thick smooth summit, only the styles usually exceeding the perianth, indehiscent or breaking unevenly.

image of FSA1_Amaranthus_mit.jpg Amaranthus mitchellii
Image source: fig 179b in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  S.Aust.: NW, LE, GT, FR, EA, EP.   All mainland States except ?Vic.

Conservation status: native

Flowering time: throughout the year.

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

Biology: No text

Author: Not yet available

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