Dillwynia

Dillwynia is a genus of about 20 species of flowering plants in the family Fabaceae, and is endemic to Australia. Plants in this genus are shrubs with simple leaves and yellow or red and yellow flowers similar to others in the family.

This article is about Dillwynia Sm. For Dillwynia Roth, see Rothia (plant).

Dillwynia
Dillwynia glaberrima
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Clade: Mirbelioids
Genus: Dillwynia
Sm.[1]
Species

See text.

Synonyms[2]

Xeropetalum Rchb. (1828), not validly publ.

Description

Plants in the genus Dillwynia are shrubs with simple leaves that are linear, needle-shaped leaves with a groove along the upper surface or triangular in cross-section. The flowers are yellow or red and yellow and usually arranged singly or in small groups in leaf axils or on the ends of branchlets. The upper two of five sepal lobes are joined in a single "lip", the standard petal is broader than long, and the keel is no longer than the wings. The stamens are free from each other, the ovary is on a short stalk and the fruit is a more or less sessile pod.[3][4][5][6]

Taxonomy

The genus Dillwynia was first formally described in 1805 by James Edward Smith in Annals of Botany.[7][8] The name Dillwynia honours Lewis Weston Dillwyn "whose scientific labours respecting the genus Conferva, as well as his knowledge in other abstruse parts of botany, merit such a memorial".[7][8]

Species list

The following is a list of Dillwynia species accepted by the Australian Plant Census as of May 2021 and Plants of the World Online as of August 2023:[9][10]

Distribution

Species of Dillwynia occur in all Australian states and the Australian Capital Territory, but not the Northern Territory.[9]

References
  1. "Dillwynia". Australian Plant Census. Retrieved 15 May 2021.
  2. Dillwynia Sm. Plants of the World Online. Retrieved 18 August 2023.
  3. "Genus Dillwynia". Royal Botanic Garden Sydney. Retrieved 16 May 2021.
  4. "Dillwynia Sm". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Dillwynia". State Herbarium of South Australia. Retrieved 16 May 2021.
  6. Jeanes, Jeff A. "Dillwynia". Royal Botanic Gardens Victoria. Retrieved 16 May 2021.
  7. "Dillwynia". APNI. Retrieved 15 May 2021.
  8. Smith, James E.; Koenig, Charles. (ed.); Sims, John (ed.) (1805). Annals of Botany. Vol. 1. London. pp. 510–511. Retrieved 16 May 2021. {{cite book}}: |first2= has generic name (help)
  9. "Dillwynia". Australian Plant Census. Retrieved 16 May 2021.
  10. "Dillwynia". Plants of the World Online. Retrieved 18 August 2023.
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