Jacksonia (plant)

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Jacksonia
Jacksonia furcellata.jpg
Jacksonia furcellata
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Clade: Mirbelioids
Genus: Jacksonia
R.Br. ex Sm. [1]
Species

See text

Synonyms [1]

Jacksonia is a genus of about 73 species of mostly leafless, broom-like shrubs or small trees in the flowering plant family Fabaceae. The genus is endemic to Australia and species occur in a range of habitats in all Australian states except Victoria, South Australia and Tasmania.

Contents

Description

Plants in the genus Jacksonia are mostly leafless shrubs or small trees with rigid branches, and leaves reduced to small scales. The flowers are arranged in spikes or racemes with small bracts or bracteoles. The sepals are joined to form a short tube and the petals are usually shorter than the sepals. The standard or banner petal is circular or kidney-shaped, the wing petals are oblong and the keel petal is more or less straight and wider than the wings. [2]

Taxonomy

The genus Jacksonia was first formally described by James Edward Smith from an unpublished manuscript by Robert Brown. Smith's description was published in 1811 in Rees's Cyclopædia along with a description of J. scoparia and J. spinosa . Smith noted that Brown had named the species "in memory of the late Mr. George Jackson, F.L.S., a man of the most excellent and amiable character, devoted to the science of botany". Jackson had died suddenly at the age of 31, in January of the same year. [3] [4]

Accepted species

The following is a list of Jacksonia species accepted by the Australian Plant Census as at December 2023:

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<i>Baeckea</i> Genus of flowering plants

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<i>Dillwynia</i> Genus of legumes

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<i>Mirbelia</i> Genus of legumes

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<i>Gompholobium</i> Genus of legumes

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<i>Thomasia</i> Genus of flowering plants

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<i>Calothamnus</i> Genus of flowering plants

Calothamnus is a genus of shrubs in the family Myrtaceae and is endemic to the south-west of Western Australia. The common names one-sided bottlebrush or claw flower are given to some species due to their having the flowers clustered on one side of the stem or because of the claw-like appearance of their flowers. Calothamnus species are generally medium to tall woody shrubs with crowded leaves. In most species the leaves are crowded and linear in shape, and the flowers are usually arranged in dense clusters. The petals are small and fall off the flower soon after it opens but the stamens are long, numerous and usually bright red.

<i>Bossiaea</i> Genus of legumes

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<i>Daviesia</i> Genus of plants

Daviesia, commonly known as bitter-peas, is a genus of about 130 species of flowering plants in the family Fabaceae, and is endemic to Australia. Plants in the genus Daviesia are shrubs or small trees with leaves modified as phyllodes or reduced to scales. The flowers are arranged singly or in groups, usually in leaf axils, the sepals joined at the base with five teeth, the petals usually yellowish with reddish markings and the fruit a pod.

<i>Calytrix</i> Genus of flowering plants

Calytrix is a genus of shrubs in the family Myrtaceae described as a genus in 1806. They are commonly known as starflowers. Calytrix are endemic to Australia, occurring in the.

<i>Spyridium</i> Genus of flowering plants

Spyridium is a genus of about thirty species of flowering plants in the family Rhamnaceae, and is endemic to Australia. Plants in the genus Spyridium are shrubs or subshrubs usually with small leaves, flowers usually in clusters of small composite heads, the individual flowers small and densely woolly-hairy, and the fruit a capsule. Species of Spyridium are found in all Australian states except Queensland.

<i>Sphaerolobium</i> Genus of legumes

Sphaerolobium is a genus of flowering plants in the family Fabaceae and is endemic to Australia, occurring in all states and territories except the Northern Territory. Species of Sphaerolobium are erect shrubs, usually with rush-like stems and yellow or red flowers similar to others in the family.

<i>Jacksonia scoparia</i> Species of legume

Jacksonia scoparia, commonly known as dogwood, is a native species of a pea-flowered, greyish, leafless, broom-like shrub or small tree that occurs in the south east of Queensland, Australia and eastern New South Wales.

References

  1. 1 2 "Jacksonia". Australian Plant Census. Retrieved 10 December 2023.
  2. Wiecek, Barbara. "Jacksonia". Royal Botanic Garden Sydney. Retrieved 27 October 2018.
  3. "Jacksonia". APNI. Retrieved 27 October 2018.
  4. Rees, Abraham, ed. (1811). The Cyclopaedia; or, Universal Dictionary of Arts, Sciences, and Literature (Volume 18). Vol. v.18. London: Longman, Hurst, Rees Orme & Brown. pp. 530–531. Retrieved 27 October 2018.

References