Hardenbergia

Hardenbergia is a genus of three species of flowering plants in the pea family, Fabaceae and is endemic to Australia. Plants in this genus are climbing or trailing herbs or subshrubs with pinnate leaves with one, three or five leaflets and groups of violet, white or pinkish flowers in pairs or small clusters in leaf axils. Species of Hardenbergia occur in all Australian states and in the Australian Capital Territory.

Hardenbergia
Hardenbergia comptoniana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Phaseoleae
Subtribe: Kennediinae
Genus: Hardenbergia
Benth.[1]
Type species
Hardenbergia comptoniana
Species

See text.

Description

Plants in the genus Hardenbergia are climbing or trailing herbs or subshrubs with leaves arranged alternately along the stems. The leaves are pinnate with one, three of five leaflets with stipules at the base and stipellae at the base of the leaflets. The flowers are usually arranged in pairs or small clusters in leaf axils and are medium-sized, violet, white or pinkish, the standard petal with a yellowish or greenish centre. The sepals are joined at the base forming a tube with short teeth. The standard petal is more or less circular, the wings are sickle-shaped and longer than the keel. Nine of the lower stamens are fused into an open sheath and the style is thread-like. The fruit is a oblong pod.[2][3][4][5]

Taxonomy

The genus Hardenbergia was first formally described in 1837 by George Bentham in Stephan Endlicher's Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in sinu Regis Georgii collegit Carolus Liber Baro de Hügel.[6][7] The genus was named in honour of Franziska, Countess von Hardenberg, a patron of botany and sister of Baron von Huegel who visited Australia in 1833.[8][9][10]

The names of three species of Hardenbergia are accepted by the Australian Plant Census:[11]

References
  1. "Hardenbergia". Australian Plant Census. Retrieved 19 October 2021.
  2. "Hardenbergia". State Herbarium of South Australia. Retrieved 19 October 2021.
  3. "Hardenbergia". Royal Botanic Garden Sydney. Retrieved 19 October 2021.
  4. Jeanes, Jeff A. "Hardenbergia". Royal Botanic Gardens Victoria. Retrieved 19 October 2021.
  5. "Hardenbergia". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  6. "Hardenbergia". APNI. Retrieved 19 October 2021.
  7. Bentham, George (1837). Stefan F.L. Endlicher; Eduard Fenzl; George Bentham; Heinrich W. Schott (eds.). Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in sinu Regis Georgii collegit Carolus Liber Baro de Hüge. p. 29. Retrieved 19 October 2021.
  8. Roger Spencer, Horticultural Flora of South-Eastern Australia, vol.3 p.206, UNSW press (2002).
  9. "Hardenbergia comptoniana". Australian Native Plants Society (Australia). Retrieved 19 October 2021.
  10. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 85. ISBN 9780958034180.
  11. "Hardenbergia". Australian Plant Census. Retrieved 19 October 2021.
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