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Diuris disposita D.L.Jones
Family Orchidaceae
Diuris disposita D.L.Jones APNI*

Description: Terrestrial herb.

Leaves 1 or 2, linear, 15–30 cm long, 4–5 mm wide, conduplicate.

Raceme 20–35 cm high, 2–7-flowered, widely spaced. Flowers yellow with brown markings on the labellum and dorsal sepal, c. 2 cm across. Dorsal sepal ovate, 7–11 mm long, 4–7 mm wide, obliquely erect, margins recurved. Lateral sepals linear to oblanceolate, 10–24 mm long, 1.5–2 mm wide, deflexed, parallel or crossed. Petals obliquely erect; lamina broad-elliptic to obovate, 6–9 mm long, 4.5–6.5 mm wide; claw 4–7 mm long. Labellum 7–9 mm long; lateral lobes linear to oblong, 2–2.8 mm long, 0.8–1.2 mm wide; midlobe narrow-ovate to ovate when flattened, 4–7 mm wide, ridged along midline; callus of 2 divergent, incurved ridges c. 4.5 mm long.


Flowering: September–October

Distribution and occurrence: Grows in moist grassland in sclerophyll forest; in the Kempsey area.
NSW subdivisions: NC

Threatened species: NSW TSCA: Endangered ROTAP: 2K
AVH map***

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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