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Electronic Flora of South Australia species Fact Sheet

Family: Polygonaceae
Polygonum convolvulus

Citation: L., Sp. Pl. 364 (1753).

Synonymy: -Bilderdykia convolvulus (L.)Dumort., Fl. Belg. 18 (1827).

Common name: Black bindweed, climbing buckwheat.

Description:
Glabrous annual with slender climbing stems to 50 cm long; leaves broadly sagittate-cordate, acuminate, c. 2.5 cm long, 1-2 cm wide, on rather long petioles.

Flowers whitish, in loose axillary or terminal racemes; styles 3.

Nut triquetrous, dull-black, c. 3.5 mm long, enclosed in the perianth.

Published illustration: Kleinschmidt & Johnson (1977) Weeds of Queensland, p. 258.

Distribution:    widely naturalised, including W.Aust.; N.S.W.; Vic.   New Zealand. Native to Europe, Asia and North Africa.

Conservation status: naturalised

Flowering time: Flowering time not known.


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

Biology: P. aubertii L. Henry, native to America, has once been collected near Mt Burr (SE region) but is probably not naturalised and is not mentioned in other Australian floras or lists. It resembles P. convolvulus but has woodier branches and pedicels more than 4 mm long.

Author: Not yet available


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