Allamanda cathartica

Allamanda cathartica, commonly called golden trumpet,[2] common trumpetvine,[2] and yellow allamanda,[2] is a species of flowering plant of the genus Allamanda in the family Apocynaceae. It is native to Brazil. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius.

Allamanda cathartica
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Allamanda
Species:
A. cathartica
Binomial name
Allamanda cathartica
Synonyms[1]
  • Allamanda aubletii Pohl
  • Allamanda chelsonii K.Koch nom. inval.
  • Allamanda grandiflora (Aubl.) Lam. nom. illeg.
  • Allamanda hendersonii W.Bull ex Dombrain
  • Allamanda latifolia C.Presl
  • Allamanda linnaei Pohl
  • Allamanda salicifolia hort.
  • Allamanda schottii Hook. nom. illeg.
  • Allamanda wardleyana Lebas
  • Allamanda williamsii auct.
  • Echites salicifolius Willd. ex Roem. & Schult.
  • Echites verticillatus Sessé & Moc.
  • Orelia grandiflora Aubl. nom. illeg.

It does not twine, nor does it have tendrils or aerial roots. It can be pruned into a shrub form. If not pruned it can sprawl to a height of 20 feet.[3]

The city of Canóvanas, Puerto Rico has adopted this species, known locally as canario amarillo, as its official flower.[4]

Allamanda cathartica flower at Tagore park Mahe district of Puducherry UT, India

Cultivation

The species is cultivated as a house plant. It requires a soil rich in organic matter, temperatures of not less than 18 °C (64 °F) during the growing season, plenty of moisture, and bright light but not direct sunlight. During the rest season from October to March, the plant should be watered more sparingly and can endure temperatures down to 13 °C (55 °F). It should be repotted every year until it is in a container of 40 to 50 centimeters (16 to 20 in). Propagation is by cuttings taken from April to May.[5]

  • Single flower
    Single flower
  • Mid-shot of shrub
    Mid-shot of shrub
  • Long-shot of shrub
    Long-shot of shrub
  • Spiny fruits (ripe and detached from plant)
    Spiny fruits (ripe and detached from plant)

References
  1. "The Plant List: A Working List of All Plant Species". Retrieved 10 July 2014.
  2. "Allamanda cathartica". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2 September 2014.
  3. "Golden Trumpet Plant". Garden Guides. Retrieved 2012-07-06.
  4. Símbolos Oficiales. Archived 2014-08-22 at the Wayback Machine Municipio de Canóvanas.
  5. Chiusoli, Alessandro; Boriani, Luisa Maria (1986). Simon & Schuster's guide to houseplants. New York: Simon and Schuster. ISBN 0671631314.
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