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Prasophyllum sphacelatum D.L.Jones
Family Orchidaceae
Prasophyllum sphacelatum D.L.Jones APNI*

Description: Terrestrial herb, 20–40 cm high.

Leaf 28–38 cm long, dull green with white to reddish purplish base.

Inflorescence 6–18-flowered, well-spaced to moderately crowded. Flowers green to reddish brown with greenish to pinkish labellum, strongly fragrant. Dorsal sepal ovate-lanceolate, 6.5–8 mm long, 3–4 mm wide, decurved. Lateral sepals completely free to completely connate, 6.5–8 mm long, c. 1.4 mm wide. Lateral petals obliquely erect to porrect, sometimes incurved near apex, linear to narrowly linear-lanceolate, 6.5–7.5 mm long, 1–1.2 mm wide. Labellum distinctly stalked; lamina 6–7.5 mm long, 3–3.5 mm wide, ovate-lanceolate in outline when flattened, erect to recurved in proximal half, sharply recurved near the middle; apex not projecting between the lateral sepals, the margins undulate to slightly crisped. Callus plate fleshy, ovate-lanceolate, occupying most of the adaxial surface of the lamina, wrinkled, green, glabrous.

Capsule obovoid, c. 8 mm long, c. 5 mm wide, green, shiny.


Type
Specimen

Flowering: Dec–February

Distribution and occurrence: South from the Brindabella Ranges, SE NSW to eastern Vic.

Grows in subalpine herbfield, often in tussock grassland, and in seepage areas as well as among grass and shrubs in Eucalyptus pauciflora forest.
NSW subdivisions: ST
Other Australian states: Vic.
AVH map***

Text by P.H. Weston
Taxon concept: Jones (1996, 2006)


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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