Diuris striata
{{Short description|Species of orchid}}
{{Speciesbox
| image =
| status =
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| genus = Diuris
| species = striata
| authority = Rupp{{cite web|title=Diuris striata|url= https://biodiversity.org.au/nsl/services/apc-format/display/96781|publisher=Australian Plant Census|access-date=15 August 2023}}
}}
Diuris striata is a poorly-known species of orchid that is endemic to New South Wales. It has a two grass-like leaves and about four mauve flowers with dark purple streaks on the labellum.
Description
Diuris striata is a tuberous, perennial herb with a two linear leaves {{convert|80-120|mm|in|sigfig=1|abbr=on}} long, about {{convert|4|mm|in|sigfig=1|abbr=on}} wide and folded lengthwise. About four mauve flowers about {{convert|20|mm|in|sigfig=1|abbr=on}} wide are borne on a flowering stem about {{convert|220|mm|in|sigfig=1|abbr=on}} tall. The dorsal sepal is erect, {{convert|7-9|mm|in|sigfig=1|abbr=on}} long, {{convert|3-6|mm|in|sigfig=1|abbr=on}} wide and egg-shaped. The lateral sepals are linear, about {{convert|15|mm|in|sigfig=1|abbr=on}} long and turned downwards. The petals spread apart from each other, egg-shaped to more or less lance-shaped, about {{convert|7|mm|in|sigfig=1|abbr=on}} long and {{convert|5|mm|in|sigfig=1|abbr=on}} wide. The labellum is about {{convert|9|mm|in|sigfig=1|abbr=on}} long and has three lobes. The centre lobe is egg-shaped to heart-shaped and {{convert|6|mm|in|sigfig=2|abbr=on}} wide with dark purple streaks. The side lobes are linear to egg-shaped with the narrower end towards the base, about {{convert|2.5|mm|in|sigfig=1|abbr=on}} long and {{convert|1|mm|in|sigfig=1|abbr=on}} wide. There are two callus ridges about {{convert|5|mm|in|sigfig=1|abbr=on}} long near the mid-line of the labellum. Flowering has only been observed in November.{{cite web|last1=Jones|first1=David L.|title=Diuris striata|url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Diuris~striata|publisher=Royal Botanic Garden Sydney|accessdate=7 April 2018}}
Taxonomy and naming
Diuris striata was first formally described in 1944 by Herman Rupp and the description was published in his book The Orchids of New South Wales.{{cite web|title=Duiris striata|url= https://id.biodiversity.org.au/instance/apni/521558|publisher=APNI|accessdate=7 April 2018}} Rupp noted "No specimens are known and the following brief description is quoted from Moore and Betche's Handbook: [Handbook of the flora of New South Wales : a description of the flowering plants and ferns indigenous to New South Wales]{{cite web|last1=Moore|first1=Charles|last2=Betche|first2=Ernst|title=Handbook of the flora of New South Wales : a description of the flowering plants and ferns indigenous to New South Wales|url=https://trove.nla.gov.au/work/23166381?selectedversion=NBD2525832|publisher=National Library of Australia|accessdate=8 April 2018}} "Flowers lilac. Lateral sepals under {{convert|1|in|mm|sigfig=1|abbr=on}} long, the dorsal one rather longer than the labellum. Petals ovate-lanceolate. Lateral lobes of the labellum short, acute, recurved, the middle lobe broadly spathulate. Flowers not blotched, but the labellum barred with darker lines".{{cite book|last1=Rupp|first1=Herman M.R.|title=The Orchids of New South Wales|date=1944|publisher=Government Printer of N.S.W.|location=Sydney|page=15}} The specific epithet (striata) is derived from the Latin word meaning stria meaning "furrow", "channel" or "stripe".{{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.|page=359}}
Distribution
This orchid is only known from the type collection made near Forbes before 1889.
References
{{Reflist}}
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Category:Endemic orchids of Australia
Category:Orchids of New South Wales