Diuris tricolor Fitzg.

J. Bot. 23: 137 (1885) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

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

Flowering plant usually 20–40 cm tall, slender to moderately stout. Leaves 1–3, linear, channelled, 20–30 cm long. Flowers 2–6, erect, yellow to orange with white and purplish suffusions; dorsal sepal obliquely erect, broadly ovate, 10–15 mm long; lateral sepals deflexed, usually parallel, narrow-linear, greatly exceeding petals, 30–65 mm long; petals obliquely erect or recurved, ovate to elliptic, tapering to base, 13–21 mm long. Labellum 3-lobed from base, 8–12 mm long; lateral lobes erect, less than half as long as mid-lobe, oblong, margins crenulate; mid-lobe keeled, shortly clawed, ovate, margins irregular, with 2 longitudinal white and purplish ridges from the base ending in tooth-like processes less than midway along lamina. Column narrowly winged. Flowers Sep.–Nov.

VRiv. Also Qld, NSW. Known in Victoria from a single plant growing in remnant grassy woodland under White Cypress-pine (Callitris columellaris) on private property.

Created by: Jeff Jeanes, 2015-02-06
Updated by: Val Stajsic, 2018-02-16
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Diuris
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Diuris tricolor in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Diuris tricolor in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Victorian Riverina present native

State distribution

Distribution map
New South Wales
Australian Capital Territory