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Diuris bracteata Fitzg.
Family Orchidaceae
Diuris bracteata Fitzg. APNI*

Description: Terrestrial herb.

Leaves 2, linear, c. 10 cm long, c. 10 mm wide, conduplicate.

Raceme c. 18 cm high, with c. 5 prominent, curved, linear bracts, c.3-flowered. Flowers yellow with blackish markings, c. 1.6 cm across. Dorsal sepal ovate, c. 8 mm long, 6 mm wide, with blackish markings towards the base. Lateral sepals linear, c. 9 mm long, c. 1.5 mm wide, deflexed, crossed. Petals obliquely erect, divergent; lamina elliptic; claw blackish. Labellum c. 10 mm long; lateral lobes linear to oblong, c. 4 mm long, c. 1.8 mm wide, margins irregular; midlobe ovate to rhombic when flattened, c. 6 mm wide, ridged along midline; callus of 2 ridges c. 5 mm long.


Flowering: recorded September

Distribution and occurrence: Known only from the original collection near Gladesville, on the Parramatta R., before 1889.
NSW subdivisions: CC

Threatened species: NSW TSCA: Endangered ROTAP: 1X
AVH map***

In recent years plants of Diuris platichila from Duffy's Forest, Mount White and Kulnura have been misidentified as Diuris bracteata. [Peter Weston May 2013]

Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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