{{Short description|Species of orchid endemic to Western Australia}} {{Use dmy dates|date=November 2015}} {{Italic title}} {{Speciesbox | name = Lost hammer orchid | status = P1 | status_system = DECF | genus = Drakaea | species = andrewsiae | authority = [[Stephen Hopper|Hopper]] & [[Andrew Brown (taxonomist)|A.P.Br.]] (2007) | synonyms = }}
'''''Drakaea andrewsiae''''', commonly known as the '''lost hammer orchid''', is a species of [[orchid]] [[Endemism|endemic]] to the south–west of [[Western Australia]]. The species was first collected in 1930, has only been collected on two other occasions and photographed a few other times. It was, however, not formally described until 2007.
== Description == ''Drakaea andrewsiae'' is only known from photographs and a few specimens of the flower and stem. Presumably it is similar to others in the genus in having a single, ground hugging leaf and an underground tuber. The stem is {{convert|20-22|cm|in|sigfig=1}} long and the stalk of the single flower is {{convert|10-12|mm|in|sigfig=1}} long.<ref name="Hopper" />
Its flower is also similar to those of other hammer orchids in that the labellum resembles a flightless female thynnid wasp however it can be distinguished by having a spine on the [[Column (botany)|column]], a [[Labellum (botany)|labellum]] with an erect tip on the end of the "tail", and a "body" that is spotted and densely covered with hair. The [[sepal]] at the back of the flower is {{convert|10-11|mm|in|sigfig=2}} long and the two at the sides are {{convert|9-11|mm|in|sigfig=2}}. The [[petals]] are also {{convert|9-11|mm|in|sigfig=2}} long. The insect-like labellum has a head about one-quarter as long as the body and its stalk. Collections were made and photographs taken in September or the first week of October, reflecting the most likely flowering period.<ref name=Hopper>{{cite journal|last1=Hopper|first1=Stephen D.|last2=Brown|first2=Andrew P.|title=A revision of Australia' s hammer orchids (Drakaea: Orchidaceae), with some field data on species-specific sexually deceived wasp pollinators|journal=Australian Systematic Botany|date=2007|volume=20|issue=3|pages=261–262|doi=10.1071/SB06033}}</ref>
== Taxonomy and naming == The first collection of ''Drakaea andrewsiae'' was made on 7 September 1930 by Mrs. P. Andrews near [[Gnowangerup, Western Australia|Gnowangerup]]. That specimen was forwarded to [[Richard Sanders Rogers]] in [[Adelaide]] but not formally described at that time. Two other collections were made in the Gnowangerup and [[Tunney, Western Australia|Tunney]] districts and photographs were taken in the [[Porongurup National Park|Porongurups]] and [[Stirling Range]]. The first formal description was made by [[Stephen Hopper]] and Andrew Brown in 2007 using the Adelaide specimen as the [[Type (biology)|type]]. Their description was published in ''[[Australian Systematic Botany]]''.<ref name="Hopper" /><ref name=APNI>{{cite web|title=Drakaea concolor|url=https://biodiversity.org.au/nsl/services/instance/apni/646613|publisher=APNI|accessdate=11 November 2015}}</ref> The [[Botanical nomenclature|specific epithet]] (''andrewsiae'') honours the type collector, "Mrs. Andrews".<ref name="Hopper" />
== Distribution and habitat == The lost hammer orchid is only known from areas between Gnowangerup and Tunney. It presumably grows in sandy soil, as do all the other Drakaea, and from evidence in photographs, possibly near [[granite]] rocks.<ref name ="Hopper" /><ref name=FloraBase>{{FloraBase|name=''Drakaea andresiaae''|id =30771}}</ref>
== Conservation == ''Drakaea andrewsiae'' is classified as "Priority One" by the Government of Western Australia [[Department of Parks and Wildlife]],<ref name ="FloraBase" /> meaning that it is known from only one or a few locations, which are potentially at risk.<ref name=codes>{{cite web|title=Conservation codes for Western Australian Flora and Fauna|url=https://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/Conservation%20code%20definitions.pdf|publisher=Government of Western Australia Department of Parks and Wildlife|accessdate=29 July 2019}}</ref>
== References == {{Reflist}}
{{Taxonbar|from=Q15458348}}
[[Category:Drakaea|andrewsiae]] [[Category:Orchids of Western Australia]] [[Category:Endemic orchids of Australia]] [[Category:Plants described in 2007]] [[Category:Endemic flora of Western Australia]] [[Category:Taxa named by Stephen Hopper]]