| 词条 | Diuris lanceolata |
| 释义 |
| name = Large golden moths | image = Diuris lanceolata.jpg | image caption = Diuris lanceolata in north-west Tasmania | status_system = EPBC | status = EN | regnum = Plantae | unranked_divisio = Angiosperms | unranked_classis = Monocots | familia = Orchidaceae | subfamilia = Orchidoideae | tribus = Diurideae | subtribus = Diuridinae | genus = Diuris | species = D. lanceolata | binomial = Diuris lanceolata | binomial_authority = Lindl.[1] | synonyms = Diuris pedunculata var. lanceolata (Lindl.) Domin | synonyms_ref =[1] }} Diuris lanceolata, commonly known as large golden moths,[3] is a species of orchid that is endemic to Tasmania. It has between two and four leaves and up to three golden to orange-yellow flowers with a few dark streaks. DescriptionDiuris lanceolata is a tuberous, perennial herb with between two and four narrow linear leaves {{convert|50-180|mm|in|sigfig=1|abbr=on}} long and {{convert|1-3|mm|in|sigfig=1|abbr=on}} wide. Up to three golden yellow to orange-yellow flowers with a few dark streaks, {{convert|25-40|mm|in|sigfig=1|abbr=on}} wide are borne on a flowering stem {{convert|60-250|mm|in|sigfig=1|abbr=on}} tall. The dorsal sepal is egg-shaped, angled upwards, {{convert|9-17|mm|in|sigfig=1|abbr=on}} long, {{convert|7-13|mm|in|sigfig=1|abbr=on}} wide with a tapered tip. The lateral sepals turn downwards below the horizontal, narrow lance-shaped with the narrower end towards the base, {{convert|15-25|mm|in|sigfig=1|abbr=on}} long, {{convert|2-3|mm|in|sigfig=1|abbr=on}} wide and parallel to each other. The petals are held horizontally, egg-shaped to lance-shaped, {{convert|10-18|mm|in|sigfig=1|abbr=on}} long and {{convert|5-8.5|mm|in|sigfig=1|abbr=on}} wide on a green stalk {{convert|3-6|mm|in|sigfig=1|abbr=on}} long. The labellum is {{convert|14-22|mm|in|sigfig=1|abbr=on}} long and has three lobes. The centre lobe is egg-shaped, {{convert|10-15|mm|in|sigfig=1|abbr=on}} long and {{convert|8.5-13|mm|in|sigfig=1|abbr=on}} wide. The side lobes are erect, oblong to wedge-shaped, {{convert|3-5.5|mm|in|sigfig=1|abbr=on}} long and {{convert|2-3|mm|in|sigfig=1|abbr=on}} wide with irregular edges. There are pimply callus ridges {{convert|7-10|mm|in|sigfig=1|abbr=on}} long at the base of the mid-line of the labellum. Flowering occurs from November to February.[2][3][4]Taxonomy and namingDiuris lanceolata was first formally described by John Lindley in his 1840 book The Genera and Species of Orchidaceous Plants.[5] The specific epithet (lanceolata) is a Latin word meaning "spear-like".[6]Distribution and habitatLarge golden moths is currently only known from one location on the north coast and one on the west coast of Tasmania, growing in wet grassland, in heath and in coastal scrub.[2][3] ConservationDiuris lanceolata is classified as "endangered" under the Australian government Environment Protection and Biodiversity Conservation Act 1999 and the Tasmanian government Threatened Species Protection Act 1995.[7]References1. ^1 {{WCSP | 63410 | Diuris lanceolata}} {{Taxonbar|from1=Q10267397}}2. ^1 2 {{cite book|last1=Jones|first1=David L.|title=A complete guide to native orchids of Australia including the island territories|date=2006|publisher=New Holland|location=Frenchs Forest, N.S.W.|isbn=1877069124|page =127}} 3. ^1 {{cite journal|last1=Jones|first1=David L.|title=Contributions to Tasmanian Orchidology|journal=Australian Orchid Research|date=1998|volume=3|pages=75–76}} 4. ^{{cite web|title=Threatened species listing statement Large golden moths Diuris lanceolata|url=http://dpipwe.tas.gov.au/Documents/Diuris%20lanceolata%20listing%20statement.pdf|publisher=Tasmanian Government Department of Primary Industries, Parks, Water and Envirnoment|accessdate=25 March 2018}} 5. ^{{cite web|title=Duiris lanceolata|url= https://id.biodiversity.org.au/instance/apni/494413|publisher=APNI|accessdate=25 March 2018}} 6. ^{{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.|page =460}} 7. ^{{cite web|title=Threatened Tasmanian Orchids Flora Recovery Plan|url=http://www.environment.gov.au/system/files/resources/e95d461f-4f22-4c74-a053-e1b6f11fd235/files/recovery-plan-tasmanian-orchids-2017.pdf|publisher=Australian Government Department of the Environment|accessdate=25 March 2018}} 5 : Diuris|Endemic orchids of Australia|Orchids of Western Australia|Endemic flora of Western Australia|Plants described in 1840 |
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