Common name: Purple Diuris, Purple Donkey Orchid
Diuris punctata var. punctata Sm. APNI*
Description: Terrestrial herb.
Leaves 2, linear, 15–30 cm long, 3–4 mm wide, conduplicate.
Raceme 30–60 cm high, 1–10-flowered. Flowers mauve or purple with darker markings and suffusions, 5–6 c. across. Dorsal sepal broadly ovate to elliptic, 10–18 mm long, 8–14 mm wide, obliquely erect, margins often recurved. Lateral sepals linear to lanceolate, 30–50 mm long, 2–4 mm wide, deflexed. Petals erect; lamina ovate to broad-ovate, 7–17 mm long, 7–15 mm wide; claw 2–6 mm long, dark-coloured. Labellum 9–15 mm long; lateral lobes linear to cuneate, 3–5 mm long, 1.5–4 mm wide, margins entire or irregular; midlobe broad-ovate to reniform or circular when flattened, 10–15 mm wide, ridged along midline; callus of 2 widely divergent ridges c. 5 mm long, surrounding area yellow.
Distribution and occurrence: Grows in grassland, sclerophyll forest and heath.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS
Other Australian states: Qld Vic. S.A.
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.