Swainsona stipularis

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Swainsona stipularis
Swainsona stipularis.jpg
Near the Barrier Highway
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: Swainsona
Species:
S. stipularis
Binomial name
Swainsona stipularis
Synonyms [1]
  • Swainsona phacaefoliaF.Muell. nom. inval., nom. nud.
  • Swainsona phacifoliaF.Muell. ex Benth. nom. illeg.
  • Swainsona stipularis var. geniculata J.M.Black nom. inval., nom. nud.
  • Swainsona stipularisF.Muell. var. stipularis
  • Swainsonia phacifoliaF.Muell. orth. var.

Swainsona stipularis is a species of flowering plant in the family Fabaceae and is endemic to southern continental Australia. It is a spreading to ascending perennial herb, with imparipinnate leaves with 5 to 11 broadly linear to heart-shaped leaflets, and racemes of mostly 5 to 20 usually orange-red flowers.

Contents

Description

Swainsona stipularis is spreading to ascending perennial herb with imparipinnate leaves up to 70 mm (2.8 in) long with 5 to 11 broadly linear to heart-shaped leaflets with the narrower end towards the base, 30–90 mm (1.2–3.5 in) long, the lower leaflets mostly 1–25 mm (0.039–0.984 in) long and 1–3 mm (0.039–0.118 in) wide. There is a stipule about 15 mm (0.59 in) long at the base of the petiole. The flowers are arranged in racemes with up to 5 to 20 or more flowers on a peduncle 0.5–3 mm (0.020–0.118 in) wide, each flower 10–15 mm (0.39–0.59 in) long on a pedicel mostly 1–3 mm (0.039–0.118 in) long. The sepals are joined at the base, forming a tube 2.5–3.5 mm (0.098–0.138 in) long, the sepal lobes up to, or much shorter than the tube. The petals are orange-red, sometimes yellow or purple, the standard petal about 9–14 mm (0.35–0.55 in) long and 10–15 mm (0.39–0.59 in) wide, the wings 8–15 mm (0.31–0.59 in) long, and the keel usually 8–15 mm (0.31–0.59 in) long and 5 mm (0.20 in) deep. Flowering mainly occurs from September to November and the fruit is narrowly egg-shaped to spindle-shaped, 10–30 mm (0.39–1.18 in) long and 3–5 mm (0.12–0.20 in) wide with the remains of the style about 9 mm (0.35 in) long. [2] [3] [4] [5]

Taxonomy

Swainsona stipularis was first formally described in 1853 by Ferdinand von Mueller in the journal Linnaea . [6] [7] The specific epithet (stipularis) means "of the stipules", referring to the long stipules. [8]

Distribution and habitat

This species of pea grows in stony, sandy or clay flats and is common near Broken Hill in New South Wales, widespread in the Flinders Ranges, central northern South Australia, and northwards to the south-west corner of Queensland. It is rare in Victoria, where it is listed as "critically endangered" under the Victorian Government Flora and Fauna Guarantee Act 1988 . [2] [3] [4] [5]

Related Research Articles

<i>Swainsona procumbens</i> Species of plant

Swainsona procumbens, commonly known as Broughton pea or swamp pea is a species of flowering plant in the pea family (Fabaceae), and is native to Australia. It is a spreading or ascending perennial shrub-like herb with imparipinnate leaves with 15 to 25 linear to narrowly lance-shaped leaflets with the narrower end towards the base, and racemes of 2 to 12 purple or mauve to pink flowers.

<i>Swainsona stenodonta</i> Species of flowering plant

Swainsona stenodonta is a species of flowering plant in the family Fabaceae and is endemic to the north-west of Western Australia. It is an erect annual herb, with imparipinnate leaves with 7 to 13 narrowly linear or oblong leaflets, and racemes of up to 30 or more dark brownish-red to dark purple flowers.

<i>Swainsona campylantha</i> Species of legume

Swainsona campylantha, commonly known as Gilgai Darling pea, is a species of flowering plant in the family Fabaceae and is endemic to inland areas of Australia. It is a low-growing perennial with imparipinnate leaves usually with up to 7 narrowly lance-shaped to narrowly elliptic leaflets, and racemes of 2 to 10 pink to purple flowers.

Swainsona eremaea is a species of flowering plant in the family Fabaceae and is endemic to South Australia. It is a low-growing, spreading, probably perennial plant with imparipinnate leaves with 5 to 11 linear, oblong to broadly wedge-shaped leaflets, and racemes of bright red to brown or yellow flowers in racemes of 5 to 20.

Swainsona fuscoviridis is a species of flowering plant in the family Fabaceae and is endemic to South Australia. It is a perennial plant with many stems and imparipinnate leaves with mostly 7 or 9 ellipitic, linear or egg-shaped or lance-shaped leaflets, and racemes of 12 to 20 purple flowers.

Swainsona gracilis is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a prostrate or ascending perennial herb with imparipinnate leaves with up to 15 wedge-shaped or narrowly oblong leaflets, and racemes of up to 4 purple or blue flowers.

Swainsona halophila is a species of flowering plant in the family Fabaceae and is endemic to inland areas of Western Australia. It is usually a prostrate annual herb with imparipinnate leaves with 9 to 13 egg-shaped to broadly wedge-shaped leaflets, and racemes of 2 to 9 purple flowers.

Swainsona incei is a species of flowering plant in the family Fabaceae and is endemic to inland Western Australia. It is an erect or ascending annual, sometimes perennial herb with imparipinnate leaves with 5 to 9 lance-shaped to elliptic leaflets, and racemes of 2 to 30 purple flowers.

Swainsona kingii is a species of flowering plant in the family Fabaceae and is native to Western Australia and South Australia. It is a prostrate or ascending annual or perennial herb, with imparipinnate leaves with usually 5 egg-shaped leaflets with the narrower end towards the base, and racemes of 1 to 3 pink to purple flowers.

Swainsona microcalyx, commonly known as wild violet, is a species of flowering plant in the family Fabaceae and is endemic to southern mainland Australia. It is a prostrate or low-growing perennial herb, with imparipinnate leaves with 5 to 9 broadly egg-shaped to wedge-shaped leaflets and racemes of 5 to 15 purple flowers.

Swainsona oliveri is a species of flowering plant in the family Fabaceae and is endemic to south-western Australia. It is a slender, prostrate to ascending annual or perennial herb with imparipinnate leaves with 9 to 13 narrowly egg-shaped leaflets, the narrower end towards the base, and racemes of up to 4 cream-coloured to yellow flowers, sometimes with a pink tinge.

Swainsona parviflora is a species of flowering plant in the family Fabaceae and is endemic to the eastern Australia. It is a low-lying perennial with imparipinnate leaves with 5 to 11 narrowly elliptic to narrowly lance-shaped or oblong leaflets, and racemes of 3 to 10 purple flowers.

Swainsona pedunculata is a species of flowering plant in the family Fabaceae and is endemic to inland areas of Western Australia. It is a small, ascending annual herb with imparipinnate leaves with 3 to 7 narrowly elliptic or lance-shaped leaflets, and racemes of 2 to 3 purple flowers.

Swainsona perlonga is a species of flowering plant in the family Fabaceae and is endemic to inland parts of the south-west of Western Australia. It is a scrambling perennial herb with imparipinnate leaves with 7 to 13 egg-shaped or almost round leaflets, and racemes of 7 to 10 purple to lilac-pink flowers.

<i>Swainsona purpurea</i> Species of legume

Swainsona purpurea, commonly known as purple Swainson-pea or purple Darling pea, is a species of flowering plant in the family Fabaceae and is endemic to arid areas of inland Australia. It is an erect or spreading annual or perennial plant with imparipinnate leaves with 3 to 11 mostly linear or elliptic leaflets, and racemes of 3 to about 20 purple flowers.

<i>Swainsona queenslandica</i> Species of plant

Swainsona queenslandica, commonly known as smooth Darling pea, is a species of flowering plant in the family Fabaceae and is endemic to eastern Australia. It is a perennial herb with imparipinnate leaves with 19 to 25 egg-shaped leaflets with the narrower end toward the base, and racemes of about 20 white, pinkish to orange red or dark red flowers.

Swainsona rotunda is a species of flowering plant in the family Fabaceae and is endemic to inland areas of northern Western Australia. It is a prostrate herb with imparipinnate leaves with about 7 narrowly lance-shaped leaflets, and racemes of up to 4 lilac-coloured flowers.

Swainsona tanamiensis is a species of flowering plant in the family Fabaceae and is endemic to north-western Australia. It is a prostrate or erect perennial plant with imparipinnate leaves with 5 to 13 broadly egg-shaped to elliptic, or almost round leaflets, and racemes of up to 8 purple flowers.

<i>Swainsona tephrotricha</i> Species of flowering plant

Swainsona tephrotricha is a species of flowering plant in the family Fabaceae and is endemic to eastern South Australia. It is an erect or ascending perennial plant, with imparipinnate leaves with 7 to 19 broadly egg-shaped to narrowly elliptic leaflets, and racemes of 30 or more pink or pinkish-purple flowers.

Swainsona vestita is a species of flowering plant in the family Fabaceae and is endemic to central-northern South Australia. It is an erect or ascending perennial plant with imparipinnate leaves with about 7 narrowly lance-shaped leaflets, and racemes of 5 to 20 purple flowers.

References

  1. 1 2 "Swainsona stipularis". Australian Plant Census. Retrieved 14 June 2024.
  2. 1 2 Thompson, Joy (1993). "A revision of the genus Swainsona (Fabaceae)". Telopea. 5 (3): 553–554. Retrieved 14 June 2024.
  3. 1 2 Thompson, Joy; James, Teresa J. "Swainsona stipularis". Royal Botanic Garden, Sydney. Retrieved 14 June 2024.
  4. 1 2 Messina, Andre; Stajsic, Val. "Swainsona stipularis". Royal Botanic Gardens Victoria. Retrieved 14 June 2024.
  5. 1 2 "Swainsona stipularis". State Herbarium of South Australia. Retrieved 14 June 2024.
  6. ↑ "Swainsona stipularis". Australian Plant Name Index. Retrieved 14 June 2024.
  7. ↑ von Mueller, Ferdinand (1853). "Diagnoses et descriptiones plantarum novarum, quas in Nova Hollandia australi praecipue in regionibus interioribus". Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde. 25: 393. Retrieved 14 June 2024.
  8. ↑ George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (4th ed.). Kardinya, WA: Four Gables Press. p. 314. ISBN   9780958034180.
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