Fallopia japonica (Houtt.) Ronse Decr.

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Introduced

Rhizomatous perennial to 3 m high; stems annual, erect, reddish-brown, bamboo-like, usually clustered. Leaves broadly ovate, 5–15 cm long, 2–12 cm wide, glabrous, often coarse-textured; apex acuminate to cuspidate; base truncate; petiole 1–3 cm long. Inflorescence axillary, flowers in slender, branched spike-like clusters. Perianth segments to c. 7 mm long, free above c. midway, green to creamy white, glabrous. Nut 2–4 mm long, dark brown to black, smooth.

*GipP, *Strz, *VAlp, *VVP.

Native to Asia, occasionally grown as a garden subject, and very rarely noted outside of cultivation in Victoria. A dwarf variant, variety compacta is often sold in nurseries. 

Created by: Andre Messina, 2015-06-01
Updated by: Val Stajsic, 2019-03-29
Distribution map

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Fallopia japonica in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Fallopia japonica in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Volcanic Plain present introduced
Gippsland Plain present introduced
Strzelecki Ranges present introduced
Victorian Alps present introduced

State distribution

Distribution map
State
New South Wales
Victoria
Tasmania