Euphorbia dallachyana Baill.

Adansonia 6: 285, 286 (1866) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Prostrate, ascending or decumbent perennial herb, glabrous; stems to c. 20 cm long, much-branched, becoming woody at base. Leaves opposite, ovate or ovate-oblong to suborbicular, 2–10 mm long, 1.5–5 mm wide, apex obtuse or notched, base asymmetric, margins serrulate to entire; petioles to c. 1 mm long; stipules united between petioles, triangular, entire, notched or irregularly (but not deeply) toothed, to c. 0.7 mm long. Cyathia solitary in uppermost axils or terminal on short branchlets; peduncles to c. 0.5 mm long; involucre conical, to c. 1 mm long; glands reniform, c. 0.3 mm long, usually with red, pink or white petaloid appendages; female flowers with styles shortly bilobed. Capsule subglobose, 1–2 mm diam., keeled, smooth, glabrous; seeds quadrangular-oblong, c. 1 mm long, apiculate, smooth to rugulose between ribs, white to pink or brownish, caruncle absent. Flowers throughout the year.

CVU, DunT, EGU, GipP, Gold, GGr, LoM, MuF, MuM, MSB, NIS, RobP, VRiv, VVP, Wim. WA, NT, SA, Qld, NSW. Widespread in inland parts of Victoria where native, as well in western region of Melbourrne, but also collected from railway yard at Cranbourne, usually growing on heavier soils.

The vast majority of plants previously known as Euphorbia drummondii in Victoria belong to this species (a few collections from the far north-west are E. multifaria). E. drummondii occurs in WA, NT, Qld and northern NSW It differs from E. dallachyana inter alia by the deeply bipartite stipules.

Source: Jeanes, J.A. (1999). Euphorbiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne (as Euphorbia drummondii Boiss.).
Updated by: Val Stajsic, 2018-09-12
 
References

Halford, D.A. & Harris, W.K. (2012). A taxonomic revision of Euphorbia section Anisophyllum Roeper (Euphorbiaceae) in Australia. Austrobaileya 8(4): 481-484, , Austrobaileya 8(4): 441-600.

Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Malpighiales
family Euphorbiaceae
genus Euphorbia
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Euphorbia dallachyana in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Euphorbia dallachyana in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Scroll Belt present native
Robinvale Plains present native
Murray Fans present native
Gippsland Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Uplands present native

State distribution

Distribution map
State
Western Australia
Northern Territory
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria