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Sphaerocoryne lefevrei

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(Redirected from Lamduan flower) Species of tree

Sphaerocoryne lefevrei
Flower in Cambodia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Genus: Sphaerocoryne
Species: S. lefevrei
Binomial name
Sphaerocoryne lefevrei
(Baill.) D.M.Johnson & N.A.Murray
Synonyms
Synonymy
  • Melodorum lefevrei Baill.
  • Melodorum clavipes Hance
  • Polyalthia siamensis Boerl.
  • Popowia mesnyi Craib
  • Sphaerocoryne clavipes (Hance) Craib
  • Sphaerocoryne siamensis (Boerl.) Scheff. ex Ridl.

Sphaerocoryne lefevrei, known in Khmer as rumduol/rumdul (រំដួល) and in Thai as lamduan (ลำดวน), is a flowering plant of the Annonaceae family, native to Southeast Asia. It is commonly cultivated as an ornamental plant, and is the national flower of Cambodia and the provincial flower of Thailand's Sisaket province. Some sources treat it as the same species as the similar S. affinis.

Description and distribution

S. lefevrei is a shrub or small tree growing up to 8 metres (26 ft) in height. It bears cream-coloured, yellow or yellow-brown flowers with three outer and three inner petals, the latter of which close in over the centre of the flower.

The species occurs naturally in mixed deciduous forests at elevations of 50 to 510 metres (160–1,670 ft). It is distributed in Thailand's northeast, central and eastern regions, as well as in Laos, Cambodia and Vietnam.

Taxonomy

The lamduan was for a long time known in Thailand by the scientific name Melodorum fruticosum, but the name was later identified as a synonym of Uvaria siamensis, a similar but different plant known in Thai as nom maew.

Some sources treat S. lefevrei as the same species as the similar S. affinis, a climbing species distributed in maritime Southeast Asia. In Cambodia, the rumduol has been referred to by the scientific name Mitrella mesnyi, which most authorities report as an illegitimate synonym of S. affinis. However, this species' range does not cover Cambodia.

Cultivation and culture

The tree is widely cultivated as an ornamental plant in Cambodia and Thailand, and its flowers are admired for their pleasant fragrance, which is emitted especially in the evening. The fruit is edible when ripe, and is collected from the forest for consumption. The dried flowers are used in traditional medicine to relieve fainting/dizziness and as a mild stimulant. In ancient times, the flowers were used by Khmer people as a scent ingredient for lip waxes.

The rumduol/lamduan's distinctive flowers are commonly evoked as a symbol, and have long been used as a metaphor for women's beauty in Khmer and Thai literature. The traditional Thai snack klip lamduan is a shortbread cookie made in the shape of the flower.

The rumduol was declared the national flower of Cambodia in 2005.

The lamduan flower also features as an important symbol in the Thai province of Sisaket, as ancient inscriptions attribute the name Dong Lamduan ('lamduan forest') to the surrounding area on the Thai–Cambodian border, a region exhibiting significant Northern Khmer heritage. It is regarded as the provincial tree, the provincial flower, and is featured on the provincial seal and in its official slogan.

Gallery

References

  1. "Sphaerocoryne lefevrei (Baill.) D.M.Johnson & N.A.Murray". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 7 June 2024.
  2. ^ "3. Sphaerocoryne lefevrei (Baill.) D.M.Johnson & N.A.Murray". e-Flora of Thailand. Forest Herbarium, Department of National Parks, Wildlife and Plant Conservation. Retrieved 7 June 2024.
  3. ^ Johnson, David M.; Bunchalee, Pasakorn; Chalermglin, Piya; Chantaranothai, Pranom; Leeratiwong, Charan; Murray, Nancy A.; Saunders, Richard; Sirichamorn, Yotsawate; Su, Yvonne; Sutthisaksopon, Phanom (28 July 2021). "Additions to Annonaceae in the Flora of Thailand". Thai Forest Bulletin (Botany). 49 (2): 163–172. doi:10.20531/tfb.2021.49.2.02.
  4. ^ "Royal Decree on Designation of Animals and Plants as National Symbols of the Kingdom of Cambodia (unofficial translation)" (PDF). Archived from the original (PDF) on 25 July 2006.
  5. "Sphaerocoryne affinis (Teijsm. & Binn.) Ridl". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 7 June 2024.
  6. "ลำดวน". thaiherb.most.go.th (in Thai). Ministry of Science and Technology. Archived from the original on 7 February 2008.
  7. ซูม (31 July 2022). ""ดอกลำดวน" ในวรรณคดี 500 ปีที่คนไทย "ดอมดม"?". Thairath Daily (in Thai). Retrieved 7 June 2024.
  8. ^ กำพล จำปาพันธ์ (27 July 2022). "มองนัยของคติดอกไม้ประจำชาติ ทำไมขะแมร์ใช้ ดอกลำดวน ไทยใช้ ดอกราชพฤกษ์". thepeople.co (in Thai). Retrieved 7 June 2024.
Taxon identifiers
Sphaerocoryne lefevrei
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