Family: Polygonaceae
Emex spinosa
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.
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Image source: fig. 94b in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Published illustration:
M. Zohary (1966) Flora Palaestina, pl. 80.
Distribution:
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W.Aust. (probably before 1938); Vic. Native to the Mediterranean, naturalised in South America; Canary Islands.
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Conservation status:
naturalised
Flowering time: July — Nov.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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