Family: Polygonaceae
Rumex vesicarius
Citation:
L., Sp. Pl. 336 (1753).
Synonymy: Acetosa vesicaria (L.)A. Löve, Rit. Landbun. Atvinn. Hask. Reykyavik ser. B, 3:108 (1948); R. roseus sensu J. Black, Fl. S. Aust. 282 (1948), non L.
Common name: Rosy dock, bladder dock, wild hop, pink dock.
Description:
Annual with stout hollow striate erect branched stems to c. 60 cm high; leaves glaucous, thick, ovate, cordate at the base, 5-10 X 2-4 cm; petioles about as long as the lamina.
Flowers mostly solitary, drooping, in racemes which form panicles 12-30 cm long; pedicels 7-8 mm long, articulate below the middle.
Fruiting perianth 16-22 mm long, 13-18 mm broad, deeply notched at each end; the valves resembling wings c. 7 mm broad, membranous, pink, reticulate, the lateral nerves ending in the continuous nerve which forms the edge of the wing; no tubercle.
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Image source: fig. 99o in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Published illustration:
Corbett (1980) A field guide to the Flinders Ranges, pl.opp.p. 96.
Distribution:
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This introduced species is well known for its spectacular displays of colour especially in the Flinders Ranges.
S.Aust.: NW, LE, NU, GT, FR, EA, EP, MU, YP, SL. Naturalised in W.Aust.; N.T.; Qld; N.S.W. Native to North Africa and western Asia.
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Conservation status:
naturalised
Flowering time: May — Dec.
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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
Taxonomic notes:
This species and R. sagittatus are often placed in Acetosa although this has not been universally accepted.
Author:
Not yet available
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