Biology:Beaumontia

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Short description: Genus of vines

Beaumontia
Beaumontia grandiflora (1).jpg
Beaumontia grandiflora
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Subfamily: Apocynoideae
Tribe: Apocyneae
Genus: Beaumontia
Wall.
Synonyms[1]
  • Muantum Pichon

Beaumontia is a small genus of evergreen woody vines in the milkweed family. It is native to China , the Indian subcontinent, and Southeast Asia.[2][3][4]

Description

Beaumontia plants are often rampant climbers and vines. They are mostly evergreen, though in subtropical gardens Beaumontia grandiflora loses many leaves in winter. Leaves are large, smooth and opposite with sticky white sap from petiolar glands.

The large white fragrant flowers are borne in corymbs terminal and in the leaf axils. The calyx is 5-lobed and the corolla is dark funnel-or bell-shaped with 5 lobes. Stamens are attached near the base of the corolla tube and have slender filaments with arrow-shaped anthers. They are very showy when in full bloom and are regarded as among the most outstanding vines of the world.

The fruits (seed capsules) comprises a pair of thick woody follicles. The seeds are compressed, apex gradually narrows with a silky coma (a tuft of hairs).[5]

Taxonomy

The genus was circumscribed by Nathaniel Wallich in Tent. Fl. Napal. on page 14 in 1824.[6]

The genus name of Beaumontia is in honour of Diana Wentworth Beaumont (1765–1831), who was an English gardener and married to Colonel Thomas Richard Beaumont (1758–1829) of Bretton Hall, Wakefield, Yorkshire. She had an estate with massive dome-shaped glasshouse for exotic plants at Bretton Hall.[7]

Cultivation

The Beaumontia species are cultivated as ornamental plants, with Beaumontia grandiflora widely grown by the nursery trade. They prefer good soil, adequate water and hot moist conditions. They are found planted and trained as vines in subtropical climate gardens, such as in Southern California.[8][9]

They are propagated from seed or half-hardened cuttings taken with a heel, rooted in sandy soil under mist.[10]

Species

As accepted by Kew;[6]

  1. Beaumontia brevituba Oliv. - Guangxi, Hainan
  2. Beaumontia grandiflora Wall. - Vietnam, Thailand, Laos, Myanmar, Assam, Bhutan, Bangladesh, Sikkim, Nepal, Guangxi, Yunnan; naturalized in Central America
  3. Beaumontia jerdoniana Wight - S India, Andaman Islands, Myanmar
  4. Beaumontia khasiana Hook.f - Yunnan, Assam, Myanmar
  5. Beaumontia longituba Craib - Nagaland
  6. Beaumontia macrantha (Ridl.) Rudjiman - S Myanmar, S Thailand
  7. Beaumontia multiflora Teijsm. & Binn. - Java, Bali, W Malaysia, Sumatra; naturalized in Thailand, Hawaii
  8. Beaumontia murtonii Craib - Yunnan, Thailand, Vietnam, Laos, Cambodia, W Malaysia
  9. Beaumontia pitardii Tsiang - N Vietnam, Guangxi, Yunnan[2]

formerly included

  • Beaumontia indecora Baill = Vallaris indecora (Baill.) Tsiang & P.T.Li
  • Beaumontia wallichii (A.DC.) Walp. = Wrightia arborea (Dennst.) Mabb.

Beaumontia grandiflora gallery

  • Beaumontia grandiflora

  • Beaumontia grandiflora

  • Beaumontia grandiflora

  • Beaumontia grandiflora

References

  1. ↑ "World Checklist of Selected Plant Families". http://apps.kew.org/wcsp/synonomy.do?name_id=20245. 
  2. ↑ 2.0 2.1 Kew World Checklist of Selected Plant Families
  3. ↑ "中国高等植物图鉴 中国植物志 Flora of China 手机植物志APP 中国高等植物 泛喜马拉雅植物志 中国在线植物志 Beaumontia Wallich 清明花属 qing ming hua shu". http://foc.eflora.cn/content.aspx?TaxonId=200018355. 
  4. ↑ Botanica Sistematica
  5. ↑ "Beaumontia in Flora of China @ efloras.org". http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=103662. 
  6. ↑ 6.0 6.1 "Beaumontia Wall. | Plants of the World Online | Kew Science" (in en). https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:2221-1. 
  7. ↑ Burkhardt, Lotte (2022) (in German) (pdf). Eine Enzyklopädie zu eponymischen Pflanzennamen. Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. https://doi.org/10.3372/epolist2022. Retrieved January 27, 2022. 
  8. ↑ Graf, Alfred Byrd (1986) Tropica: color cyclopedia of exotic plants and trees for warm-region horticulture—in cool climate the summer garden or sheltered indoors; 3rd ed. East Rutherford, N.J.: Roehrs Co
  9. ↑ Lord, Tony (2003) Flora : The Gardener's Bible : More than 20,000 garden plants from around the world. London: Cassell. ISBN:0-304-36435-5
  10. ↑ Ellison, Don (1999) Cultivated Plants of the World. London: New Holland (1st ed.: Brisbane: Flora Publications International, 1995)

External links

Wikidata ☰ Q3311674 entry



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