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Electronic Flora of South Australia species Fact Sheet

Family: Polygonaceae
Polygonum strigosum

Citation: R. Br., Prod. Fl. Nov. Holl. 420 (1810).

Synonymy: Not Applicable

Common name: Spotted knotweed.

Description:
Prostrate perennial; stems to 1.5 m long, covered with stiff reflexed hairs; stipular sheaths c. 1.5 cm long, membranous, nerved, entire, often with a few short cilia; leaves lanceolate, to c. 6 cm long, almost sagittate or hastate at the base, hairy on the midrib; petiole c. 1 cm long.

Peduncles axillary, branched, with glandular hairs; flowers few, pink, in short lax spikes.

Nut smooth, dark-red, usually 3-angled.

image of FSA1_Polygonum_str.jpg
Image source: fig. 98i in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cochrane et al. (1968) Flowers and plants of Victoria, fig. 272.

Distribution:    Qld; N.S.W.; Vic.

Conservation status: naturalised

Flowering time: Dec. — April.


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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