Diuris jonesii, commonly known as Dunsborough donkey orchid,[2] is a species of orchid that is endemic to the south-westofWestern Australia. It has large, yellow, brown and mauve flowers and is found in near-coastal areas between Dunsborough and Augusta.
Diuris jonesii is a tuberous, perennialherb, usually growing to a height of 250–400 mm (10–20 in). Two or three leaves emerge at the base, each leaf 100–300 mm (4–10 in) long and 5–12 mm (0.2–0.5 in) wide. There are between two and eight yellow, mauve and brown flowers 40–50 mm (1.6–2.0 in) long and 20–35 mm (0.8–1 in) wide. The dorsalsepal is erect and the lateral sepals are narrow and hang downwards or sometimes cross each other. The petals are elongated and the labellum has spreading lateral lobes and a broad, flattened or folded centre lobe. The species is similar to the giant donkey orchid, D. amplissima but has smaller, less colourful flowers and a more coastal distribution. Flowering occurs from late September to October.[2][3]
^ abcBrown, Andrew; Dixon, Kingsley; French, Christopher; Brockman, Garry (2013). Field guide to the orchids of Western Australia : the definitive guide to the native orchids of Western Australia. Simon Nevill Publications. p. 211. ISBN9780980348149.
^ abHoffman, Noel; Brown, Andrew (2011). Orchids of South-West Australia (3rd ed.). Gooseberry Hill: Noel Hoffman. p. 474. ISBN9780646562322.
