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Thunbergia

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Thunbergia
Flowers of Thunbergia alata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Acanthaceae
Subfamily: Thunbergioideae
Genus: Thunbergia
Retz. (1780)[1]
Species[2]

150; see text

Synonyms[2]
  • Diplocalymma Spreng. (1822)
  • Endomelas Raf. (1838)
  • Flemingia Roxb. ex Rottler (1803), nom. rej.
  • Hexacentris Nees (1832)
  • Pleimeris Raf. (1838)
  • Pleuremidis Raf. (1838)
  • Schmidia Wight (1852)
  • Valentiana Raf. (1814)

Thunbergia is a genus of flowering plants in the family Acanthaceae. It includes 150 species native to tropical and subtropical regions of sub-Saharan Africa, Madagascar, southern Asia, New Guinea, and Australia.[2] Thunbergia species are vigorous annual or perennial vines and shrubs growing to 2–8 m tall. The generic name honours the Swedish naturalist Carl Peter Thunberg (1743-1828).

Its members are known by various names, including thunbergias and clockvine. Thunbergia on its own usually refers to Thunbergia grandiflora, while Thunbergia alata is often known as black-eyed Susan vine or just black-eyed Susan (not to be confused with other flowers called black-eyed Susan). Orange clockvine is the name of Thunbergia gregorii.

Thunbergias are frequent garden escapes, becoming invasive species; T. grandiflora, T. fragrans, and T. laurifolia are considered weeds in Australia.[3]

Selected species

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150 species are accepted.[2] Selected species include:

Formerly placed here

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References

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  1. ^ "Genus: Thunbergia Retz". Germplasm Resources Information Network. United States Department of Agriculture. 2007-10-05. Archived from the original on 2012-10-09. Retrieved 2010-10-30.
  2. ^ a b c d Thunbergia Retz. Plants of the World Online. Retrieved 7 February 2024.
  3. ^ Weeds Australia, National Weeds Strategy, retrieved 27 March 2015
  4. ^ "Red List of South African Plants". SANBI. Retrieved 7 January 2019.
  5. ^ a b "GRIN Species Records of Thunbergia". Germplasm Resources Information Network. United States Department of Agriculture. Archived from the original on 2015-09-24. Retrieved 2010-10-30.
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