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Phaius tankervilleae

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Phaius tankervilleae, commonly known as the greater swamp-orchid, swamp lily, swamp orchid,[2] nun's-hood orchid,[3] nun's orchid, veiled orchid, Lady Tankerville's swamp orchid[4] or 鹤顶兰 (he ding lan),[5] is a species of orchid native to areas from Asia to islands in the Pacific Ocean. It has large, pleated leaves and tall flowering stems bearing up to twenty five white, brown, mauve and yellow flowers. It was named for Lady Tankerville who was the first person to make the orchid flower successfully in England.[6] It was the first tropical orchid to flower in England.

Swamp orchid
Phaius tankervilleae growing on Lanai
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Phaius
Species:
P. tankervilleae
Binomial name
Phaius tankervilleae
Synonyms[1]
  • Limodorum tankervilleae Banks
  • Limodorum incarvillei Pers.
  • Bletia tankervilleae (Banks) R.Br.
  • Phaius incarvillei (Pers.) Kuntze

Description

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Phaius tankervilleae is an evergreen, terrestrial herb that has cone shaped or more or less spherical pseudobulbs mostly 60–80 mm (2–3 in) long and 30–60 mm (1–2 in) wide. Between two and eight pleated linear to lance-shaped leaves 300–1,000 mm (10–40 in) long and 80–200 mm (3–8 in) wide develop from the pseudobulb. Between ten and twenty five resupinate flowers 70–125 mm (3–5 in) wide are borne on a flowering stem 500–2,000 mm (20–80 in) tall. The flowers are whitish on the outside and reddish brown inside. The sepals and petals are oblong to lance-shaped, 40–65 mm (2–3 in) long and 10–15 mm (0.4–0.6 in) wide. The labellum is pink or reddish with a white tip and white stripes inside, 35–60 mm (1–2 in) long and 20–50 mm (0.8–2 in) wide with three lobes. The middle lobe is more or less tube-shaped and the side lobes have wavy or crinkled edges. There is a whitish yellow spur 5–10 mm (0.2–0.4 in) long near the base of the labellum and a narrow raised callus in its centre. Flowering occurs from September to November in Australia and from March to June in Asia.[4][5][7]

Taxonomy and naming

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In 1778, John Fothergill sent specimens of this orchid back from China to England and in 1788, after one had flowered, Joseph Banks formally described the species, giving it the name Limodorum tankervilleae. In 1859, Carl Ludwig Blume changed the name to Phaius tankervilleae. The specific epithet (tankervilleae) honours Lady Emma Tankerville, as the orchid had flowered in her greenhouse at Walton-on-Thames near London.[8][9][10] It was the first tropical orchid to flower in England.[11]

Other spellings of the specific epithet are sometimes used. When Charles Louis L'Héritier de Brutelle published his book Sertum Anglicum and cited Joseph Banks' name for this species, he Latinised it to Limodorum tancarvilleae.[12] As a result, some authorities, including the Australian Plant Census, list the species as Phaius tancervilleae.[5][13][14] The spellings P. tankervilliae[15] and P. tankarvilliae have also been used.[16]

In 2017, Judi Stone and Phillip James Cribb published a monograph entitled Lady Tankerville's Legacy - A Historical and Monographic Review of Phaius and Gastrorchis, in which they described six varieties of Phaius tankervilleae:

Distribution and habitat

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Phaius tankervilleae grows in swampy forest or grassland.[4] It is found in the Indian Subcontinent, New Guinea, China, Japan, Southeast Asia, Indonesia, Malaysia, the Philippines, Australia and certain islands of the Pacific. It is also naturalised in Hawaii, Panama, the West Indies and Florida.[17]

In Australia it is found as P. tankervilleae var. australis as far south as Yamba, New South Wales.[18] and further north in tropical Queensland. While rare in parts of its native habitat, it is present in other parts of the world as a naturalised species, including Hawaii[19] and Florida.[20]

Conservation status

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Phaius tankervilleae var. australis, as Phaius australis, is listed as endangered with possible extinction within the country. It is threatened by trampling by stock, and by illegal collecting, weeds and drainage of its habitat.[21]

Use in horticulture

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Identification of the genus Phaius is a particularly challenging and difficult task. Many plants are incorrectly labeled in nurseries or misidentified by professionals and authors. An easily grown plant in cultivation. It prefers semi shade. Propagation is achieved from seed or by the cutting of the base clump of the plant. The large flowers occur in spring.[18] Also, flower stem node propagation brings success. Where after flowering, the scape is either laid whole or in sections on a medium such as Sphagnum moss or stood in a container of water. Plantlets emerge from the nodes, and when large enough are removed and potted up.

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  •  
    Illustration from Curtis Botanical Magazine, 1924
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    Inflorescence of Phaius tankervilleae
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    Flowers of Phaius tankervilleae
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    Flowers of Phaius tankervilleae
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    Flowers of Phaius tankervilleae

References

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  1. ^ a b "Phaius tankervilleae". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. ^ "Phaius tankervilleae". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 20 December 2014.
  3. ^ NRCS. "Phaius tankervilleae". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 23 September 2015.
  4. ^ a b c "Phaius tankervilleae". Noosa Orchid Society. Retrieved 30 October 2018.
  5. ^ a b c "Phaius tencarvilleae". Flora of China. Retrieved 30 October 2018.
  6. ^ Leatherdale, Duncan (2023-03-19). "Lady Tankerville: The botanist and secret scientist". BBC News. Retrieved 2023-03-20.
  7. ^ "Phaius tankervilleae". Bhutan Biodiversity Portal. Retrieved 30 October 2018.
  8. ^ Ackerman, James D.; Castillo, María del (1992). James D. Ackerman, María del Castillo. La Editorial, UPR. ISBN 9780847723423. {{cite book}}: |work= ignored (help)
  9. ^ Gifts from the Gardens of China, By Jane Kilpatrick, ISBN 0-7112-2630-X, accessed 10 June 2008
  10. ^ "Portrait of Emma, Countess of Tankerville (1752-1836) with her daughters Caroline and Anna, Daniel Gardner (C.1750-1805)". Archived from the original on 2011-07-15. Retrieved 2010-06-21.
  11. ^ "Lady Tankerville s Legacy: A Historical and Monographic Review of Phaius and Gastrorchis by Judi Stone & Phillip Cribb: New Hardcover (2017) | The Penang Bookshelf". www.abebooks.co.uk. Retrieved 2020-05-24.
  12. ^ Héritier de Brutelle, Charles Louis (1788). Sertum Anglisum. Paris. p. 28. Retrieved 30 October 2018.
  13. ^ "Caladenia abbreviata". APNI. Retrieved 30 October 2018.
  14. ^ Mabberley, David J. (2011). "A note on some adulatory botanical plates distributed by Sir Joseph Banks". Kew Bulletin. 66 (3): 465–477. doi:10.1007/s12225-011-9291-y. S2CID 21236279.
  15. ^ "Nun orchid care tips:Phaius tankervilliae". Organic Gardening Advice. Retrieved 30 October 2018.
  16. ^ Brydie, Jim. "Phaius tankervilleae(?)". Species Orchid Society of Western Australia (Inc.). Retrieved 30 October 2018.
  17. ^ Kew World Checklist of Selected Plant Families, Phaius tankervilleae (Banks) Blume
  18. ^ a b "Phaius tancarvilleae". Australian Native Plants Society. Archived from the original on 2008-06-22.
  19. ^ USFWS. Cyanea remyi Five-year Review. August 2010. pg 4.
  20. ^ Liu, H. and R. Pemberton. (2010). Pollination of an invasive orchid, Cyrtopodium polyphyllum (Orchidaceae), by and invasive oil-collecting bee, Centris nitida, in southern Florida. Botany 88 290-95.
  21. ^ "Approved conservation advice o Phaius australia (common swamp orchid)" (PDF). Australian Government Department of the Environment. Retrieved 30 October 2018.
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