Dillwynia divaricata

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Dillwynia divaricata
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Dillwynia
Species:
D. divaricata
Binomial name
Dillwynia divaricata

Dillwynia divaricata is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect, spindly shrub with cylindrical, grooved leaves and yellow flowers with brownish markings.

Contents

Description

Dillwynia divaricata is an erect, spindly shrub with glabrous branches but hairy leaves 6–15 mm (0.24–0.59 in) long and 0.8–1 mm (0.031–0.039 in) wide. The flowers are sessile or on a hairy pedicel up to 0.5 mm (0.020 in) long with hairy bracteoles about 3 mm (0.12 in) long, but that fall off as the flower opens. The sepals are also hairy, 5–7 mm (0.20–0.28 in) long and the corolla mostly yellow with brownish spots and blotches. The standard petal is 7–9.6 mm (0.28–0.38 in) long, the wings 6.6–7.5 mm (0.26–0.30 in) long and the keel 5–7 mm (0.20–0.28 in) long. Flowering mainly occurs from February to May. [2]

Taxonomy and naming

This species was first formally described in 1853 by Nikolai Turczaninow in the Bulletin de la Société Impériale des Naturalistes de Moscou and was given the name Eutaxia divaricata. [3] [4] In 1864, George Bentham changed the name to Dillwynia divaricata in Flora Australiensis . [5] [6]

Distribution

Dillwynia divaricata grows in sandy soil on flat areas in the Avon Wheatbelt, Coolgardie, Esperance Plains and Mallee biogeographic regions of south-western Western Australia. [2]

Conservation status

This species is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife. [2]

Related Research Articles

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<i>Chorizema humile</i> Species of legume

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<i>Chorizema trigonum</i> Species of legume

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References

  1. "Dillwynia divaricata". Australian Plant Census. Retrieved 30 May 2021.
  2. 1 2 3 "Dillwynia divaricata". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. "Eutaxia divaricata". APNI. Retrieved 30 May 2021.
  4. Turczaninow, Nikolai (1853). "Papilionaceae. Podalyrieae et Loteae Australasicae Non-Nullae, Hucusque non Descriptae". Bulletin de la Société Impériale des Naturalistes de Moscou. 26 (1): 270. Retrieved 30 May 2021.
  5. "Dillwynia divaricata". Australian Plant Name Index. Retrieved 29 May 2021.
  6. Bentham, George; von Mueller, Ferdinand (1865). Flora Australiensis. Vol. 2. London: Lovell Reeve & Co. p. 151.