Citation: Campderá, Monog. Rumex 58 (1819).

Synonymy: Rumex spinosus L., Sp. Pl. 337 (1753).

Common name: Lesser Jack.

Description:
Glabrous annual with many or few prostrate to erect stems to 50 cm long or more, sometimes reddish; leaves petiolate, ovate to oblong, truncate or cordate at the base, to 12 cm long.

Female flowers sessile; fruiting perianth 6-8 mm long, c. 4 mm wide, with a broad truncate base, the spines spreading or reflexed, the inner perianth-segments lanceolate, acute.

Image source: fig. 94b in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: M. Zohary (1966) Flora Palaestina, pl. 80.

Distribution:    W.Aust. (probably before 1938); Vic.   Native to the Mediterranean, naturalised in South America; Canary Islands. Conservation status: naturalised Flowering time: July — Nov.

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