Diuris sulphurea R.Br.

Tiger Orchid

Prodr. 316 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Flowering plant slender to stout, 20–50 cm tall. Leaves 1–3, linear to linear-lanceolate, channelled, lax, 20–50 cm long. Flowers 1–7, yellow with a few brown markings; pedicel (excluding ovary) 1–4 cm long, slender, mostly enclosed within bract; dorsal sepal obliquely erect, ovate, 15–20 mm long, with a pair of large dark brown blotches near base; lateral sepals deflexed, usually parallel, linear, 15–25 mm long, green or green and brown; petals erect or spreading, 16–26 mm long, claw short, brown, lamina ovate to elliptic, yellow. Labellum obliquely deflexed, yellow with transverse dark brown blotches near apex and other brown markings, 10–15 mm long, 3-lobed; lateral lobes about half as long as mid-lobe, broad, obovate, outer margin towards base irregular; mid-lobe spade-shaped to rhombic, strongly folded, margin often recurved; callus ridge extending from base to midway of lamina, merging into central keel. Column wings about same height as anther. Flowers mostly Sep.–Dec.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, LoM, MonT, MuM, NIS, OtP, SnM, VAlp, VRiv, VVP, WPro, Wim. All states except WA, NT. Widespread in heaths and open woodlands in southern parts of the State, largely coextensive with D. pardina.

Diuris sulphurea is known to hybridize with D. pardina and D. orientis.

Source: Entwisle, T.J. (1994). Orchidaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Jeff Jeanes, 2015-02-05
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Diuris
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Diuris sulphurea in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Diuris sulphurea in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Gippsland Plain present native
Otway 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 Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Monaro Tablelands present native
Highlands-Far East present native
Victorian Alps present native
Snowy Mountains present native

State distribution

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