Diuris chryseopsis D.L.Jones

Contr. Tasmanian Orchid. 4 (Austral. Orchid. Res. 3) 74 (1998) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Flowering plant slender, 12–40 cm tall. Leaves mostly 3–5, but up to 8, linear, channelled, 8–22 cm long, in a loose, erect tussock. Flowers 1–4, drooping, lemon-yellow with brown or greenish-brown markings on outer surface; pedicel (excluding ovary) 3–5.5 cm long, slender, partly enclosed within bract; dorsal sepal erect, broadly ovate, 14–16 mm long, much shorter than other perianth parts, yellow; lateral sepals obliquely deflexed, usually parallel, linear-lanceolate, 17–22 mm long, green; petals spreading or drooping, 15–20 mm long, claw green, lamina narrowly to broadly elliptic, yellow. Labellum obliquely deflexed, yellow, 15–18 mm long, 3-lobed; lateral lobes small, asymmetrically narrow-lanceolate, apical margins toothed; mid-lobe almost flat, c. 3 times as long as the lateral lobes, broadly ovate, narrowed at base, with 2 widely separated, pubescent, longitudinal ridges extending shortly beyond base, a single, less distinct ridge continuing c. halfway along lamina. Column wings about same height as anther. Flowers mostly Sep.–Nov.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, MonT, MuF, MuM, NIS, OtP, SnM, VRiv, VVP, WPro, Wim. Also SA, NSW, ACT, Tas. Often grows in damp depressions in grassland or open woodland communities in flat or undulating country.

The most widespread and common member of a complex of similar looking species including Diuris basaltica, D. fucosa, D. gregaria, D. monticola, D. ochroma, D. protena and D. subalpina.

Known to hybridise readily with several other sympatric Diuris species.

Created by: Jeff Jeanes, 2015-01-16
Updated by: Val Stajsic, 2018-02-16
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 chryseopsis in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Diuris chryseopsis in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Fans 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
Snowy Mountains present native

State distribution

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