Senna notabilis

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Senna notabilis
Senna notabilis - Flickr - Kevin Thiele.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Genus: Senna
Species:
S. notabilis
Binomial name
Senna notabilis
Synonyms [1]

Cassia notbilisF.Muell.

Senna notabilis, commonly known as cockroach bush, [2] is a species of flowering plant in the legume family Fabaceae, and is endemic to northern Australia. It is an erect, softly-hairy, annual or perennial shrub with pinnate leaves with six to twelve pairs of lance-shaped leaflets, and yellow flowers arranged in groups of twenty to thirty, with seven fertile stamens in each flower.

Contents

Description

Senna notabilis is an erect, softly-hairy, annual or perennial shrub or shubshrub that typically grows to a height of 0.3–1.5 m (1 ft 0 in – 4 ft 11 in). Its leaves are up to 100–200 mm (3.9–7.9 in) long on a petiole 15–20 mm (0.59–0.79 in) long, with six to twelve pairs of lance-shaped leaflets 15–30 mm (0.59–1.18 in) long and 8–12 mm (0.31–0.47 in) wide, spaced 10–15 mm (0.39–0.59 in) apart. There are bristly, egg-shaped stipules at the base of the petiole and small glands between most pairs of leaflets. The flowers are yellow and arranged in dense groups of twenty to thirty on the ends of the branches and in leaf axils on a peduncle 25–60 mm (0.98–2.36 in) long, each flower on a pedicel about 5 mm (0.20 in) long. The petals are about 7 mm (0.28 in) long and there are seven fertile stamens and three staminodes in each flower, two anthers about 3 mm (0.12 in) long and the others shorter. Flowering occurs from May to October and the fruit is a flat pod 25–40 mm (0.98–1.57 in) long and 10–15 mm (0.39–0.59 in) wide. [3] [4] [5] [6]

Taxonomy

Cockroach bush was first formally described in 1862 by Ferdinand von Mueller who gave it the name Cassia notabilis in Fragmenta Phytographiae Australiae from specimens collected by John McDouall Stuart. [7] [8] In 1990, Barbara Rae Randell transferred the species to Senna as Senna notbilis in the Journal of the Adelaide Botanic Gardens . [9] The specific epithet (notabilis) means "notable". [10]

Distribution and habitat

Senna notabilis occurs in all mainland states and territories except Victoria, and grows in a range of arid habitats, including rocky hillsides, clays and deep desert sands. It is often found with Triodia species. [3] It is widely distributed and common in Western Australia and the Northern Territory, with only a few collections in South Australia and New South Wales. [2] [6]

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<i>Senna cardiosperma</i> Species of legume

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Senna cladophylla is a species of flowering plant in the family Fabaceae and native to Western Australia and the Northern Territory. It is a perennial herb or undershrub with pinnate leaves with two or three pairs of broadly elliptic leaflets, and yellow flowers arranged in pairs, with ten fertile stamens in each flower.

Senna cuthbertsonii is a species of flowering plant in the family Fabaceae and is endemic to northern Western Australia. It is a shrub with pinnate leaves with five to nine pairs of elliptic to narrowly egg-shaped leaflets, the flowers yellow and arranged in groups of two to four, with ten fertile stamens in each flower.

Senna ferraria is a species of flowering plant in the family Fabaceae and is endemic to north-western Western Australia. It is an erect shrub with pinnate leaves with three to four pairs of broadly elliptic to egg-shaped leaflets, and yellow flowers arranged in groups of about twelve, with ten fertile stamens in each flower.

Senna heptanthera is a species of flowering plant in the family Fabaceae and is endemic to Arnhem Land in the north of the Northern Territory. It is a creeping, herbaceous perennial with pinnate leaves with one or two pairs of broadly egg-shaped leaflets, and yellow flowers arranged in groups of eight to ten, with seven fertile stamens in each flower.

<i>Senna magnifolia</i> Species of legume

Senna magnifolia is a species of flowering plant in the family Fabaceae and is endemic to northern Australia. It is an erect, spreading or straggling, mostly glabrous shrub with pinnate leaves with four to six pairs of broadly oblong to round leaflets, and yellow flowers arranged in groups of twenty to sixty, with seven fertile stamens in each flower.

<i>Senna oligoclada</i> Species of legume

Senna oligoclada is a species of flowering plant in the family Fabaceae and is endemic to northern Australia. It is an erect shrub with pinnate leaves with one to three pairs of elliptic to egg-shaped leaflets, and yellow flowers arranged in groups of three to five with ten fertile stamens in each flower.

<i>Senna pilocarina</i> Species of legume

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<i>Senna pleurocarpa</i> Species of legume

Senna pleurocarpa, commonly known as fire bush or chocolate bush, is a species of flowering plant in the family Fabaceae and is endemic to Australia. It is a spreading shrub with pinnate leaves with five to seven pairs of broadly elliptic to egg-shaped leaflets, and groups of five to twelve yellow flowers arranged in dense groups of twenty to sixty on the ends of branches and in upper leaf axils.

References

  1. 1 2 "Senna notabilis". Australian Plant Census. Retrieved 12 August 2023.
  2. 1 2 Wiecek, Barbara. "Senna notabilis". Royal Botanic Garden Sydney. Retrieved 12 August 2023.
  3. 1 2 "Senna notabilis". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 12 August 2023.
  4. "Senna notabilis". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Senna notabilis". Northern Territory Government. Retrieved 12 August 2023.
  6. 1 2 "Cassia notabilis". State Herbarium of South Australia. Retrieved 12 August 2023.
  7. "Cassia notabilis". Australian Plant Name Index. Retrieved 12 August 2023.
  8. von Mueller, Ferdinand (1862). Fragmenta Phytographiae Australiae. Melbourne: Victorian Government Printer. pp. 28–29. Retrieved 12 August 2023.
  9. "Senna notabilis". Australian Plant Name Index. Retrieved 4 August 2023.
  10. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 261. ISBN   9780958034180.