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词条 Caladenia fitzgeraldii
释义

  1. Description

  2. Taxonomy and naming

  3. Distribution and habitat

  4. References

{{Italic title}}{{speciesbox
| name = Fitzgerald's spider orchid
| image = Caladenia fitzgeraldii.jpg
| image_caption = Caladenia fitzgeraldii at Brindabella
| status_system =
| status =
| genus = Caladenia
| species = fitzgeraldii
| authority = Rupp[1]
| synonyms_ref = [1]
| synonyms =
  • Calonema reticulata Fitzg.
  • Arachnorchis fitzgeraldii (Rupp) D.L.Jones & M.A.Clem.
  • Calonemorchis fitzgeraldii (Rupp) Szlach.

}}

Caladenia fitzgeraldii, commonly known as Fitzgerald's spider orchid, is a plant in the orchid family Orchidaceae and is endemic to New South Wales and the Australian Capital Territory. It is a ground orchid with a single hairy leaf and usually only one greenish-yellow and red flower.

Description

Caladenia fitzgeraldii is a terrestrial, perennial, deciduous, herb with an underground tuber and a single hairy, linear to lance-shaped leaf, {{convert|80-150|mm|in|sigfig=1|abbr=on}} long and {{convert|8-12|mm|in|sigfig=1|abbr=on}} wide. A single yellowish-green flower {{convert|35-50|mm|in|sigfig=1|abbr=on}} wide and with red markings is borne on a spike {{convert|120-250|mm|in|sigfig=1|abbr=on}} high. The dorsal sepal is erect but curves forward, {{convert|30-45|mm|in|sigfig=1|abbr=on}} long and about {{convert|2|mm|in|sigfig=1|abbr=on}} wide. The lateral sepals and petals spread widely, turn stiffly downwards and have glandular tips at least {{convert|15|mm|in|sigfig=1|abbr=on}} long. The lateral sepals are {{convert|35-55|mm|in|sigfig=1|abbr=on}} long, {{convert|3-4|mm|in|sigfig=1|abbr=on}} wide and the petals are {{convert|25-40|mm|in|sigfig=1|abbr=on}} long and {{convert|2-3|mm|in|sigfig=1|abbr=on}} wide. The labellum is more or less egg-shaped, {{convert|13-17|mm|in|sigfig=1|abbr=on}} long and {{convert|8-11|mm|in|sigfig=1|abbr=on}} wide, yellowish near its base and red to maroon near the tip. There are 8 to 12 pairs of linear teeth {{convert|2-3|mm|in|sigfig=1|abbr=on}} long along its edges and four rows of red, golfstick-shaped calli along its centre. Flowering occurs from August to November.[1][2]

Taxonomy and naming

Caladenia fitzgeraldii was first formally described by Herman Rupp in 1942 and the description was published in Australian Orchid Review.[3]

Distribution and habitat

Fitzgerald's spider orchid grows in forest in rocky soil in the Australian Capital Territory and the Wellington-Bathurst area of New South Wales.

References

1. ^{{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=70}}
2. ^{{cite web|last1=Bernhardt|first1=Peter|title=Caladenia fitzgeraldii|url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Caladenia~fitzgeraldii|publisher=Royal Botanic Gardens, Sydney: plantnet|accessdate=3 February 2017}}
3. ^{{cite web|title=Caladenia fitzgeraldii|url= https://id.biodiversity.org.au/instance/apni/513555|publisher=APNI|accessdate=3 February 2017}}
{{Taxonbar|from=Q9673592}}

5 : Caladenia|Plants described in 1942|Endemic orchids of Australia|Orchids of New South Wales|Taxa named by Herman Rupp

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