Diuris ochroma D.L.Jones

Muelleria 8: 182 (1994) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:EPBC: vulnerable (VU); Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988

Flowering plant slender, 25–37 cm tall. Leaves 3–5, linear, channelled, 13–18 cm long, in loose, erect tussock. Flowers 2 or 3, drooping, pale yellow-cream with maroon striations on outer surface of petals and labellum and on both surfaces of dorsal sepal; pedicel (excluding ovary) c. 3 cm long, slender, partly enclosed within bract; dorsal sepal erect, ovate, c. 12 mm long, much shorter than other perianth parts; lateral sepals obliquely deflexed, parallel, linear-lanceolate, c. 15 mm long, green; petals spreading or drooping, c. 15 mm long, claw maroon, lamina elliptic. Labellum c. 15 mm long; lateral lobes small, asymmetric, triangular, outer margin irregularly toothed from base to tip; mid-lobe more than 3 times as long as lateral lobes, broadly ovate to wedge-shaped, narrowed at base; callus ridges complexly lobed, with faint accessory ridges radiating onto the mid-lobe. Column wings higher than anther. Flowers Nov.–Dec.

HNF, HSF, SnM. Also NSW. Known only from the Wonnangatta River valley east of Mt Howitt and the Buffalo River near Abbeyard, where locally abundant in moist grassland near Eucalyptus woodland.

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: 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 ochroma in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Diuris ochroma in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Snowy Mountains present native

State distribution

Distribution map
State
New South Wales
Victoria