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Diuris chrysantha D.L.Jones & M.A.Clem.
Family Orchidaceae
Diuris chrysantha D.L.Jones & M.A.Clem. APNI*

Synonyms: Diuris sp. aff. chrysantha (North Coast) sensu Bishop (1996) APNI*

Description: Terrestrial herb.

Leaves 1 or 2, linear, 12–36 cm long, 4–8 mm wide, conduplicate.

Raceme 15–32 cm high, 2–7-flowered. Flowers golden yellow to orange with brown markings on the dorsal sepal and labellum, c. 2 cm across. Dorsal sepal ovate, 7–9 mm long, 6–7 mm wide, erect. Lateral sepals linear to spathulate, 12–18 mm long, 2–4 mm wide, deflexed, parallel or curved. Petals divergent, recurved; lamina circular, 6–8 mm long, 6–8 mm wide; claw 4–7 mm long, brown. Labellum 7–9 mm long; lateral lobes narrow-ovate to obovate, 2.5–4 mm long, 2.5–3 mm wide, margins entire or crenulate; midlobe cordate to broad-cuneate when flattened, conduplicate; callus of 2 thick, divergent ridges c. 3 mm long.

Photo J. & P. Edwards

Flowering: August–November

Distribution and occurrence: Grows among grass in sclerophyll forest of inland ranges and tablelands, north from Tamworth.
NSW subdivisions: NC, NT, NWS
Other Australian states: Qld
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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