Senna sericea

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Senna sericea
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. sericea
Binomial name
Senna sericea
(Symon) Albr. & Symon [1]
Synonyms [1]

Cassia oligophylla var. sericeaSymon

Senna sericea is a species of flowering plant in the family Fabaceae and is endemic to inland north-western Australia. It is an erect shrub with pinnate leaves, with one or two pairs of egg-shaped leaflets, and yellow flowers arranged in groups of four to twelve, with ten fertile stamens in each flower.

Contents

Description

Senna sericea is an erect shrub that typically grows to a height of 0.3–2 m (1 ft 0 in – 6 ft 7 in). Its leaves are pinnate, 20–50 mm (0.79–1.97 in) long including a petiole 5–15 mm (0.20–0.59 in) long, with one or two pairs of egg-shaped leaflets. The leaflets are 10–40 mm (0.39–1.57 in) long and 10–22 mm (0.39–0.87 in) wide, spaced 3–12 mm (0.12–0.47 in) apart when two pairs of leaflets are present. There are up to three sessile, flat glands between the leaflets. The flowers are yellow and arranged in upper leaf axils in groups of four to twelve on a peduncle 20–30 mm (0.79–1.18 in) long, each flower on a pedicel 10–15 mm (0.39–0.59 in) long. The petals are 8–10 mm (0.31–0.39 in) long and there are ten fertile stamens, the anthers 3–4 mm (0.12–0.16 in) long and of different lengths. Flowering occurs in winter, and the fruit is a flat pod about 70 mm (2.8 in) long and 15–25 mm (0.59–0.98 in) wide. [2] [3] [4]

Taxonomy and naming

This species was first formally described in 1966 by David Eric Symon, who gave it the name Cassia oligophylla var. sericea in the Transactions of the Royal Society of South Australia from specimens collected at "The Granites" in the Northern Territory. [5] In 2000, David Edward Albrecht and Symon transferred the species to the genus Senna as S. sericea in the Journal of the Adelaide Botanic Gardens . [6] The specific epithet (sericea) means "silky". [7]

Distribution and habitat

Senna sericea grows on gravelly or rocky hills in the western parts of central Northern Territory and in arid parts of Western Australia. [2] [4] [8]

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Senna curvistyla is a species of flowering plant in the family Fabaceae and is endemic to north-western Australia. It is an undershrub with pinnate leaves with two or three pairs of narrowly elliptic to elliptic leaflets, the flowers yellow and arranged in groups of two or three, 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.

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

Senna glutinosa is a species of flowering plant in the family Fabaceae and is endemic to central and northern arid areas of Australia. It is a shrub or small tree with pinnate leaves with up to seven pairs of leaflets, their shape depending on subspecies, and yellow flowers arranged in groups with ten fertile stamens in each flower.

Senna goniodes is a species of flowering plant in the family Fabaceae and is endemic to the far north of Western Australia. It is an erect, slender shrub with pinnate leaves with two or three pairs of narrowly elliptic to elliptic leaflets, and yellow flowers arranged in groups with ten fertile stamens in each flower.

Senna hamersleyensis, commonly known as creeping senna, is a species of flowering plant in the family Fabaceae and is endemic to the north of Western Australia. It is an erect, spreading or prostrate shrub with pinnate leaves with two to four pairs of broadly elliptic to egg-shaped leaflets, and yellow flowers arranged in groups of four or five, with ten fertile stamens in each flower.

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Senna leptoclada is a species of flowering plant in the family Fabaceae and is endemic to Arnhem Land in northern Australia. It is a glaucous, erect to drooping shrub with pinnate leaves usually with two pairs of broadly elliptic leaflets, and yellow flowers arranged in groups of two or three, with ten fertile stamens in each flower.

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<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

Senna pilocarina is a species of flowering plant in the family Fabaceae and is endemic to inland Western Australia. It is a prostrate or upright, spreading shrub with pinnate leaves with five to nine pairs of oblong to wedge-shaped leaflets, and yellow flowers arranged in groups of four or five, with ten fertile stamens in each flower.

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

Senna planitiicola, commonly known as yellow pea, arsenic bush, ant bush or pepper-leaf senna, 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 five to seven pairs of broadly elliptic to egg-shaped leaflets, and groups of three to eight yellow flowers on the ends of branches and in upper leaf axils.

<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 sericea". Australian Plant Census. Retrieved 29 August 2023.
  2. 1 2 "Senna sericea". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. ↑ Randell, Barbara R.; Barlow, Bryan A. (1998). Orchard, Anthony E. (ed.). Flora of Australia (PDF). Vol. 12. Canberra: Australian Biological Resources Study. p. 107. ISBN   064306298X . Retrieved 29 August 2023.
  4. 1 2 Albrecht, David E.; Symon, David E. (2000). "A re-evaluation of Cassia oligophylla var. sericea Symon (Caesalpineaceae)". Journal of the Adelaide Botanic Gardens. 19: 95–96. Retrieved 29 August 2023.
  5. ↑ "Cassia oligophylla var. sericea". Australian Plant Name Index. Retrieved 29 August 2023.
  6. ↑ "Senna sericea". Australian Plant Name Index. Retrieved 29 August 2023.
  7. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 305. ISBN   9780958034180.
  8. ↑ "Senna sericea". Northern Territory Government. Retrieved 29 August 2023.
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