These occur over a similar range, Northampton to Eyre as well as in South Australia. From the varying width of the mid lobe of their labellum we may have found two species. The Curled-tongue shell orchid (Pterostylis rogersii) is a coastal orchid found from Binningup to Israelite Bay during June, July and August. Author: Gary Backhouse This is a relatively late-flowering species of donkey orchid. The lateral sepals are narrow and greenish. One species is found in Java and Timor, and the others are native to Australia. Other well-known species are cat’s face (D. filifolia) and nanny-goat orchid (D. laevis). This article was most recently revised and updated by, https://www.britannica.com/plant/donkey-orchid. The Common spider orchid (Caladenia varians) occurs between Kalbarri and Esperance, with flowering starting in July and progressing until mid-October. Corrections? Both species vary in colour from dark green to brownish-green to reddish-brown. Authors: Andrew Brown, Kingsley Dixon, Christopher French & Garry Brockman There are 7 named species of shell orchids found in Western Australia. So we both jump out to grab a photo of the South coast donkey orchid (Diuris sp. ‘south coast’) which occurs between Munglinup and Denmark. The South coast donkey orchid as previously found earlier today has a wide mid lobe, whilst the Green Range donkey orchid (Diuris littoralis) has a thinner mid lobe. It has a few narrow, twisted leaves and a flowering stem with up to five bright yellow flowers with brown markings and relatively large, spreading lobes on the labellum. Flowering times also overlap during the months of July and August. It produces bright yellow flowers, with reddish brown markings on the labellum and dorsal sepal. Today we plan on visiting Munglinup Beach shire reserve and search for the shell orchids we have previously found there. Also came across lots of what appears to be Corybas leaves. ( Log Out /  The common donkey orchid (Diuris longifolia) bears three to five purplish flowers about 4 cm (1.5 inches) long. Its range was once quite widespread in the southern Adelaide Mt Lofty Range region but now it is now restricted to pockets on the Fleurieu Peninsula and western Kangaroo Island in Heathy Woodland, Wetland and Riparian habitats. ''Diuris brevifolia'', commonly known as the short-leaved donkey orchid, is a species of orchid which is endemic to South Australia. What a great way to end a wonderful day trip searching for orchids. This strikingly yellow flowered donkey orchid endemic to South Australia is listed as Endangered. Differs to the Green Range donkey orchid in having a broad mid-lobe to the labellum. My location is 100km west of this, however I feel its small stature, uniformly thickened lateral sepals and substantial rosette when compared to stature of orchid, confirms my ID. Backtracking the way we had come, we make a decision to head north up Fuss Road, so as to reach the Hwy sooner. Many have mainly yellow flowers with darker markings and are thought to mimic nectar-producing flowers which open at the sam… Heading further west we turn down Munglinup Beach Road and head down to the Oldfield River. Flowering occurs from November to December. Turning south onto Torradup Road which curves west into Springdale Road. The first one for the 2020 season. The moon is already in the sky as we return to Fuss Road. The Short-leaf Donkey-orchid is only found in South Australia. Are included from the following reference book: A Guide to Native Orchids of South Western Australia (2nd edition), Spider Orchids EBook 2018 Further along the track we come across more banded greenhoods, which seem to be the orchid of the day. This was the only spider orchid found on todays adventure. The name "Diuris" refers to the hanging sepals but the common name "donkey orchid", derives from the ear-like petalscommon to all species. We have travelled into Lake Shaster Nature Reserve whilst heading east, which occurs both west and east of the Shire Reserve at Munglinup Beach. ‘south coast’) which occurs between Munglinup and Denmark. Change ). The common donkey orchid (Diuris longifolia) bears three to five purplish flowers about 4 cm (1.5 inches) long. Omissions? Other than that we are going to wing it. We then drove to the river bank and parked up on the granite. Diuris pauciflora - Swamp Donkey Orchid. Turning right onto the Hwy we head east as far as Young river where we check out a possible spot for orchids. So we both jump out to grab a photo of the South coast donkey orchid (Diuris sp. ( Log Out /  Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Change ), You are commenting using your Twitter account. On the track in, Deb spies a flowering donkey orchid. ( Log Out /  Unbelievably I spy a lone little snail orchid. Pushing through to the base of the dunes Deb successfully discovers some shell orchids in flower. ISBN: 9780646999920, 11/07/2020 ….. Quick check at Dempster Head, 25/09/2020 ….. All species have grass-like leaves and most have predominantly yellow flowers with red, brown or purple markings. I am driving for a change as Deb has just finished night shift. We will have to re-visit in the coming weeks to see if we can catch them in flower. We now move on and head further west along the South Coast Hwy. ( Log Out /  So glad we did as there on the edge of the track is a little spider orchid in bloom. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. First point of call is Stokes National Park where we visit the camping area. Change ), You are commenting using your Facebook account. The Swamp Donkey is very similar to the Tall Donkey Orchid, the main difference is much shorter stems and smaller flowers - a "mini Tall Donkey Orchid!" Time to move on, so Deb takes a track leading east which we assume will take us to another beach access. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Whilst slowly driving along in 1st gear we are both peering out looking for any orchids that may catch our eye. Donkey orchid, (genus Diuris), genus of about 60 species of terrestrial orchids (family Orchidaceae). The two upper petals on each flower resemble the ears of a donkey, and the greenish lateral sepals are long and drooping. Just before we reached the coastline another patch of snail orchids was found. Please correct me if you disagree. Here we find many greenhoods. After eating lunch we ventured around looking for orchids in flower. They may however be the newly named Mallee banded greenhood (Pterostylis arbuscula) which has a shorter stature and up to 5 flowers only per plant. Change ), You are commenting using your Google account. Just shy of the Hwy is the Munglinup Nature Reserve, where we find an access track that just beckoned us to stop. Further along the track we come across many more banded greenhoods, of varying colours and sizes. Let us know if you have suggestions to improve this article (requires login). We pull over at a burnt patch of scrub, which apparently is Springdale Nature Reserve. Both species occur in coastal/near coastal locations from Denmark to Munglinup and Esperance respectively. These appear to be further Ravensthorpe snail orchids by their thinner lateral sepals. Other So parking up in an abandoned sand pit, we go on a little exploration down the track on foot. Off to the Munglinup Beach campground we go (Mud Map SE33), as this is our planned stop of the day. It varies in colour from Green to Brown, as the photos below show. Here we catch an amazing sunset over the river. Heading into the stabilised dune system we immediately come across a snail orchid, which is not fully formed as yet. Our editors will review what you’ve submitted and determine whether to revise the article. Peak Charles Long Weekend – Day 1, 13/09/2020 ….. Ravensthorpe Wildflower Show. The bays we found on the coast were beautiful as always. Further snail orchids are found and many Corybas leaves, with some starting to bud. Lots of Caladenia leaves found and only one decent greenhood. Donkey orchid, (genus Diuris), genus of about 60 species of terrestrial orchids (family Orchidaceae). ISBN: 9780980348149, Orchids of South-West Australia – 4th Edition

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