Swainsona reticulata

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Swainsona reticulata
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. reticulata
Binomial name
Swainsona reticulata
Synonyms
  • Swainsona oroboides subsp. reticulata(J.M.Black) A.T.Lee
  • Swainsona reticulataJ.M.Black isonym
  • Swainsona oroboidesauct. non F.Muell. ex Benth.: Weber, J.Z.

Swainsona reticulata, commonly known as kneed Swainson-pea, [2] [3] is a species of flowering plant in the family Fabaceae and is endemic to south-eastern mainland Australia. It is a prostrate perennial herb, with imparipinnate leaves with 5 to 15 egg-shaped, elliptic or very narrowly linear leaflets, and racemes of 3 to 7 purple flowers.

Contents

Description

Swainsona reticulata is a prostrate perennial herb up to 15 cm (5.9 in) high with many slender stems. The leaves are imparipinnate, mostly 10–70 mm (0.39–2.76 in) long with 5 to 15 egg-shaped leaflets with the narrower end towards the base, often elliptic or very narrowly linear, the side leaflets 3–15 mm (0.12–0.59 in) long and 1–3 mm (0.039–0.118 in) wide with broad, green stipules 2–7 mm (0.079–0.276 in) long at the base of the petioles. The flowers are purple, arranged in racemes of 3 to 7, on a peduncle about 0.5 mm (0.020 in) wide, each flower 5–10 mm (0.20–0.39 in) long on a densely hairy pedicel 2–5 mm (0.079–0.197 in) long. The sepals are joined at the base to form a tube about 2 mm (0.079 in) long, with teeth about the same length, or longer than the tube. The standard petal is 8–10 mm (0.31–0.39 in) long and 7–11 mm (0.28–0.43 in) wide, the wings 5–8 mm (0.20–0.31 in) long and the keel 6–8 mm (0.24–0.31 in) long and 2–3 mm (0.079–0.118 in) deep. Flowering occurs from August to October, and the fruit is a narrowly egg-shaped pod 13–22 mm (0.51–0.87 in) long and 4–5 mm (0.16–0.20 in) wide with the remains of the style 4–5 mm (0.16–0.20 in) long. [3] [4] [5]

Taxonomy and naming

Swainsona reticulata was first formally described in 1924 by John McConnell Black in the Flora of South Australia. [6] The specific epithet (reticulata) means "reticulate". [7]

Distribution

Kneed Swainson-pea grows on alluvial flats in grassland or open forest along the Murray River valley, and is widespread on the western slopes and tablelands of New South Wales, extending into Queensland, Victoria and South Australia. [3] [4] [5]

Conservation status

Swainsona reticulata is listed as "endangered" in Victoria, under the Victorian Government Flora and Fauna Guarantee Act 1988 . [5]

Related Research Articles

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

Swainsona behriana, commonly known as Behr's swainsona, is a species of flowering plant in the family Fabaceae and is endemic to south-eastern continental Australia. It is a prostrate or low-growing perennial herb with imparipinnate leaves usually with 9 to 13 narrowly elliptic to egg-shaped leaflets with the narrower end towards the base, and racemes of 2 to 7 purple flowers.

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

Swainsona phacoides commonly known as dwarf Swainson-pea or lilac Darling pea, is a flowering plant in the family Fabaceae, and is native to all mainland states of Australia and the Northern Territory. It is a prostrate or ascending perennial herb with imparipinnate leaves usually with 5 to 13 elliptic leaflets tapered at both ends, and racemes of usually 7 4 usually pale to dark reddish-purple.

Swainsona adenophylla, commonly known as violet swainson-pea or violet Darling pea, is a species of flowering plant in the family Fabaceae and is endemic to arid areas of central Australia. It is a slender, erect or spreading perennial herb with imparipinnate leaves with three to nine linear to narrowly egg-shaped leaflets, and racemes of pink or purplish flowers in racemes of ten to twenty.

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

Swainsona brachycarpa, commonly known as slender swainson-pea, is a species of flowering plant in the family Fabaceae and is endemic to eastern Australia. It is a prostrate or ascending perennial herb with imparipinnate leaves usually with 9 to 13 egg-shaped to narrowly elliptic or egg-shaped leaflets, and racemes of up to 12 white, purple or dark red flowers.

Swainsona cyclocarpa is a species of flowering plant in the family Fabaceae and is endemic to northern inland areas of Australia. It is a prostrate or low-growing annual with imparipinnate leaves usually with up to 7 usually egg-shaped leaflets with the narrower end towards the base, and racemes of 4 to 16 purple flowers.

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

Swainsona elegans is a species of flowering plant in the family Fabaceae and is endemic to Western Australia. It is a prostrate or ascending annual with imparipinnate leaves, usually with 7 to 15 egg-shaped or elliptic leaflets, and racemes of up to 15 blue or reddish-purple flowers.

Swainsona fissimontana is a species of flowering plant in the family Fabaceae and is endemic to inland areas of southern continental Australia. It is a compact, erect or upright perennial herb with imparipinnate leaves with 7 to 13 narrowly elliptic to elliptic leaflets, and racemes of pink to dark purplish flowers in racemes of 3 to 11.

Swainsona forrestii is a species of flowering plant in the family Fabaceae and is endemic to the central northern Western Australia. It is an erect or spreading, single-stemmed annual herb, with imparipinnate leaves with about 13 to 17 narrowly egg-shaped or narrowly ellipitic leaflets, and racemes of dark brownish red to purple or pink flowers in racemes of 30 or more.

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 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.

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

Swainsona laciniata is a species of flowering plant in the family Fabaceae and is endemic to north-western Australia. It is a prostrate or ascending perennial herb with imparipinnate leaves with 7 to 13 broadly elliptic to broadly egg-shaped leaflets, and racemes of 3 to 8 purple flowers.

Swainsona luteola, commonly known as dwarf Darling pea, is a species of flowering plant in the family Fabaceae and is endemic to the eastern Australia. It is a prostrate or low-lying to semi-erect perennial with imparipinnate leaves with usually 3 to 17 narrowly elliptic leaflets, and racemes of 5 to 15 purple, sometimes yellow 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.

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

Swainsona microphylla, commonly known as small-leaf swainson-pea, small-leaf swainsona, or poison swainson-pea is a species of flowering plant in the family Fabaceae and is endemic to mainland Australia. It is a prostrate or low-growing, sometimes erect perennial herb, with imparipinnate leaves with mostly 21 to 41 broadly wedge-shaped to round leaflets and racemes of 5 to 10 white, pink or purple flowers.

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

Swainsona murrayana, commonly known as slender Darling-pea or slender Darling pea, is a species of flowering plant in the family Fabaceae and is endemic to south-eastern mainland Australia. It is a prostrate, low-growing or erect perennial herb, with imparipinnate leaves with 3 to 11 linear to elliptic leaflets and racemes of 3 to 11 pink or 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 plagiotropis, commonly known as red swainsona-pea is a species of flowering plant in the family Fabaceae and is endemic to eastern continental Australia. It is a prostrate or ascending perennial herb with imparipinnate leaves with 13 to 25 narrowly egg-shaped or narrowly lance-shaped leaflets and racemes of 2 to 5 reddish-purple flowers.

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

Swainsona pterostylis is a species of flowering plant in the family Fabaceae and is endemic to northern parts of Western Australia. It is a low-growing or prostrate perennial herb, with imparipinnate leaves with mostly 11 to 19 broadly elliptic leaflets, and racemes of 5 to more than 30 purple or violet flowers.

Swainsona pyrophila, commonly known as yellow Swainson-pea or yellow Darling pea, is a species of flowering plant in the family Fabaceae and is endemic to southern continental Australia. It is an erect or spreading annual or short-lived perennial plant with imparipinnate leaves with 15 to 19, mostly egg-shaped leaflets with the narrower end towards the base, and racemes of 15 to about 20 yellow 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.

References

  1. ↑ "Swainsona reticulata". Australian Plant Census. Retrieved 28 May 2024.
  2. ↑ "Swainsona microcalyx". State Herbarium of South Australia. Retrieved 4 April 2024.
  3. 1 2 3 Thompson, Joy; James, Teresa A. "Swainsona reticulata". Royal Botanic Garden, Sydney. Retrieved 28 May 2024.
  4. 1 2 Thonpson, Joy (1993). "A revision of the genus Swainsona (Fabaceae)". Telopea. 5 (3): 519–520. Retrieved 28 May 2024.
  5. 1 2 3 Jeanes, Jeff A.; Stajsic, Val. "Swainsona reticulata". Royal Botanic Gardens Victoria. Retrieved 28 May 2024.
  6. ↑ "Swainsona reticulata". Australian Plant Name Index. Retrieved 28 May 2024.
  7. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 293. ISBN   9780958034180.
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