Phyllanthus lacunarius F.Muell.

Lagoon Spurge

Trans. Philos. Soc. Victoria 1: 14 (1854) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Monoecious annual herb or subshrub to c. 0.3 m high; branchlets ellipsoid to flattened in section. At least some leaves subtending branches reduced to stipule-like scales; normal leaves elliptic or obovate, 6–17 mm long, 2.5–6 mm wide, rounded to c. truncate, sometimes mucronate, glabrous; petioles to 1.5 mm long; stipules triangular, 0.7–2.3 mm long, cream to yellow-brown. Inflorescences with sexes mixed. Male flowers 1–6 per axil; pedicels 0.6–2.3 mm long; sepals 0.4–0.9 mm long, red; disc 0.4–0.6 mm wide; anthers subsessile. Female flowers 1–2 per axil; pedicels at anthesis 0.2–1 mm long, in fruit 1–3 mm long; sepals 0.4–1.1 mm long, white or green; disc 0.5–1 mm wide; styles variously divided, 0.2–0.4 mm long. Capsule transversely ellipsoid, apically depressed, 1.2–2 mm long, 2.5–4.5 mm wide; seeds yellow-brown, orange, pallid-brown or red-brown, 0.9–1.7 mm long, striate, flat-sided. Flowers Dec.–Aug.

MSB, RobP. Also SA, Qld, NSW. Very rare in Victoria, confined to cracking clay soils of the Murray River floodplain downstream of Swan Hill.

Many earlier records of this species are attributable to Phyllanthus lacunellus.

Source: Hunter, J.T.; Bruhl, J.J. (1999). Phyllanthus. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2019-02-13
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Malpighiales
genus Phyllanthus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Phyllanthus lacunarius in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Phyllanthus lacunarius in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Scroll Belt present native
Robinvale Plains present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales