Pyrorchis forrestii

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Pink beaks
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Diurideae
Subtribe: Megastylidinae
Genus: Pyrorchis
Species:
P. nigricans
Binomial name
Pyrorchis nigricans
Synonyms [1]

Pyrorchis forrestii, commonly known as pink beaks, [2] is a species of orchid endemic to Western Australia. It has two or three ground-hugging leaves and up to seven sweetly perfumed, pink and white flowers, but it only flowers after fire the previous summer.

Contents

Description

Pyrorchis forrestii is a terrestrial, perennial, deciduous, herb with an underground tuber and two or three ground-hugging, egg-shaped, light green leaves. The leaves are leathery, 35–70 mm (1–3 in) long and 20–35 mm (0.8–1 in) wide. Up to seven sweetly perfumed flowers are arranged on a flowering stem 100–300 mm (4–10 in) high. The flowers are pink and white, 15–20 mm (0.6–0.8 in) long and 25–30 mm (0.98–1.2 in) wide and sometimes have red spots. The dorsal sepal is narrow egg-shaped with the narrower end towards the base, 17–20 mm (0.7–0.8 in) long and 7–8 mm (0.28–0.31 in) wide. The lateral sepals are similar to the dorsal sepal but narrower and turn downwards and away from each other. The petals are a similar size and shape to the lateral sepals. The labellum is egg-shaped with the narrower end towards its base, 13–16 mm (0.5–0.6 in) long, 7–8 mm (0.28–0.31 in) wide and has three lobes. It is white with red lines and has fine teeth on its edges. Flowering occurs from October to December but only after fire the previous summer. [2] [3] [4]

Taxonomy and naming

Pink beaks was first formally described in 1810 by Ferdinand von Mueller who gave it the name Lyperanthus forrestii and published the description in Fragmenta phytographiae Australiae . [5] [6] In 1994 David Jones & Mark Clements changed the name to Pyrorchis forrestii. [1] [7] The specific epithet (forrestii) honours John Forrest, the first Premier of Western Australia. [4]

Distribution and habitat

Pyrorchis forrestii grows in winter-wet flat areas between Augusta and Albany in the Jarrah Forest and Warren biogeographic regions. [2] [4] [8]

Conservation

Pyrorchis forrestii is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [8]

Related Research Articles

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<i>Pyrorchis</i>

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<i>Pyrorchis nigricans</i>

Pyrorchis nigricans, commonly known as red beaks, is a species of orchid endemic to Australia and is found in all Australian states except Queensland and the Northern Territory. It has a single large, oval leaf and up to eight relatively large red and white flowers. It usually only flowers after hot fires.

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<i>Diuris magnifica</i> Species of orchid

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<i>Eriochilus dilatatus <span style="font-style:normal;">subsp.</span> dilatatus</i> Subspecies of orchid

Eriochilus dilatatus subsp. dilatatus, commonly known as the white bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single narrow leaf and up to seven greenish and white flowers with reddish or mauve markings. A widespread and common species, it grows in a range of habitats and flowers prolifically after fire.

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Eriochilus valens, commonly known as the red-lipped bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single egg-shaped leaf held above the ground and up to four small pink or white and pink flowers. It grows near winter-west swamps and usually only flowers after fire the previous summer.

Dendrobium lichenastrum, commonly known as the common button orchid, is a species of epiphytic or lithophytic orchid endemic to far north Queensland. It has a creeping, branching rhizome surrounded by papery bracts, small egg-shaped to round, fleshy, dark green leaves and a single white, cream-coloured or pink flower with red stripes and an orange labellum.

<i>Robiquetia wassellii</i> Species of orchid

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References

  1. 1 2 3 "Pyrorchis forrestii". APNI. Retrieved 19 August 2018.CS1 maint: discouraged parameter (link)
  2. 1 2 3 Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. p. 284. ISBN   1877069124.
  3. Hoffman, Noel; Brown, Andrew (2011). Orchids of South-West Australia (3rd ed.). Gooseberry Hill: Noel Hoffman. p. 266. ISBN   9780646562322.
  4. 1 2 3 Brown, Andrew; Dundas, Pat; Dixon, Kingsley; Hopper, Stephen (2008). Orchids of Western Australia. Crawley, Western Australia: University of Western Australia Press. p. 406. ISBN   9780980296457.
  5. "Lyperanthus forrestii". APNI. Retrieved 19 August 2018.CS1 maint: discouraged parameter (link)
  6. von Mueller, Ferdinand (1882). "Definitions of some new Australian plants". The Southern Science Record. 2: 55–56. Retrieved 19 August 2018.CS1 maint: discouraged parameter (link)
  7. Jones, David L.; Clements, Mark A. (1994). "New genus of Orchidaceae". Phytologia. 77 (6): 450. Retrieved 19 August 2018.CS1 maint: discouraged parameter (link)
  8. 1 2 "Pyrorchis forrestii". FloraBase . Western Australian Government Department of Parks and Wildlife.