https://gardenology.mywikis.net/w/index.php?action=history&feed=atom&title=Drakaea 2026-04-12T10:48:56Z Revision history for this page on the wiki MediaWiki 1.35.3 https://gardenology.mywikis.net/w/index.php?title=Drakaea&diff=5528&oldid=prev 2007-07-05T12:50:48Z

<p></p> <p><b>New page</b></p><div>{{Taxobox<br /> | color = lightgreen<br /> | name = Hammer Orchid<br /> | regnum = [[Plant]]ae<br /> | divisio = [[Magnoliophyta]]<br /> | classis = [[Liliopsida]]<br /> | ordo = [[Asparagales]]<br /> | familia = [[Orchidaceae]]<br /> | genus = ''Drakaea''<br /> | genus_authority = [[John Lindley|Lindl.]]<br /> | subdivision_ranks = species<br /> | subdivision =<br /> ''[[Drakaea confluens]]''&lt;br/&gt;<br /> ''[[Drakaea elastica]]''&lt;br/&gt;<br /> ''[[Drakaea glyptodon]]''&lt;br/&gt;<br /> ''[[Drakaea livida]]''&lt;br/&gt;<br /> ''[[Drakaea isolata]]''<br /> }}<br /> <br /> '''''Drakaea''''' is an [[endangered]] genus of [[orchid]] that is native to [[Australia]]. Orchids in this genus are commonly called &quot;Hammer Orchids&quot;. The common name refers to the shape of the orchid, and the way it moves, resembling a hammer. The genus was named after Miss Drake, a botanical artist who drew orchids and other plants to assist [[taxonomist]]s in England in the 1800s.<br /> Members of the ''Drakaea'' genus are characterized by an [[insectival]] [[labellum]] that is attached to a narrow, hinged stem, which holds it aloft. The stem can only hinge backwards, where the broadly winged column carries the [[pollina]] and [[carpel|stigma]]. <br /> <br /> Hammer orchids have an interesting method of [[pollination]], as they need the Thynnid [[wasp]]. Female wasps are flightless, and wait on top of stems for the males, who will fly in and carry them off. Then they will mate in mid-flight. Hammer orchids mimic the female wasps, their labellum being similar in color and in structure to the female wasp's [[abdomen]]. The orchids also produce [[pheromones]] very similar to those that the female wasp produces. The male having been attracted by the pheromones and the shape, tries to fly away with the labellum, which makes the stem holding it move backwards. This backward movement brings the male wasp's [[thorax]] in contact with the sticky pollen packet. For the Hammer orchid to be successfully pollinated, it requires that the male wasp is fooled by another individual orchid, where it goes through the same procedure. This time the pollen is deposited in the stigma, and that plant has been pollnated. This form of [[symbiosis]] is not mutualistic, the wasp getting nothing in return for having pollinated the hammer orchid. <br /> <br /> There are at least five species in this genus. <br /> <br /> {{orchid-stub}}<br /> <br /> [[Category:Orchid genera]]<br /> [[Category:Plants and pollinators]]</div>

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