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Electronic Flora of South Australia species Fact Sheet

Family: Polygonaceae
Polygonum prostratum

Citation: R. Br., Prod. Fl. Nov. Holl. 419 (1810)

Synonymy: Not Applicable

Common name: Trailing knotweed, creeping knotweed.

Description:
An appressed-hairy perennial with prostrate woody stems to c. 50 cm long; leaves on very short petioles, lanceolate, 2-5 X 0.3-1 cm; stipular sheaths ciliate and hairy, brownish.

Racemes spike-like, pedunculate, axillary and terminal, 1.5-2 cm long, the bract at the base of each 2-4-flowered cluster ovate and ciliate; stamens 5 or 6; style-branches 2.

Nut reddish-brown, shining, biconvex.

image of FSA1_Polygonum_pro.jpg
Image source: fig. 98g in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 233.

Distribution:    All mainland States.   New Zealand.

Conservation status: native

Flowering time: Nov. — 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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