Kennedia nigricans

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Black kennedia
Glen Forrest Kennedia nigricans.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Tribe: Phaseoleae
Subtribe: Kennediinae
Genus: Kennedia
Species:
K. nigricans
Binomial name
Kennedia nigricans
Synonyms [1]

Kennedia nigricans, commonly known as black kennedia, [2] is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a trailing or twining shrub or climber with trifoliate leaves and black and yellow-orange flowers.

Contents

Description

Kennedia nigricans is a trailing or twining shrub or a vigorous woody climber that typically climbs to a height of up to 4 m (13 ft) and spreads up to 6 m (20 ft). The leaves are dark green, trifoliate and 70–180 mm (2.8–7.1 in) long on a petiole 10–30 mm (0.39–1.18 in) long with stipules 4.5 mm (0.18 in) long at the base. The leaflets are egg-shaped, the end leaflet 30–90 mm (1.2–3.5 in) long and 20–70 mm (0.79–2.76 in) wide on a petiolule up to 17 mm (0.67 in) long. The lateral leaflets are smaller, on a short petiolule. The flowers are arranged in groups of up to fifteen on a peduncle 20–130 mm (0.79–5.12 in) long, each flower 30–33 mm (1.2–1.3 in) long on a pedicel 100–150 mm (3.9–5.9 in) long. The five sepals are 12–14 mm (0.47–0.55 in) long with triangular or lance-shaped teeth about 4 mm (0.16 in) long, the upper two joined for most of their length. The petals are violet or purple to almost black and yellow-orange, the standard petal is 22–27 mm (0.87–1.06 in) long, the wings 28–30 mm (1.1–1.2 in) long and the keel about 27 mm (1.1 in) long. Flowering occurs from July to November and the fruit is a pod 46–70 mm (1.8–2.8 in) long. [2] [3] [4] [5]

Taxonomy

Kennedia nigricans was first formally described in 1835 by John Lindley in Edwards's Botanical Register , where it was also labelled as "Dingy-flowered Kennedya". [6] [7] The specific epithet (nigricans) means "blackish". [8]

Distribution and habitat

Black kennedia grows on coastal dunes, on creek margins and on flats in the Esperance Plains, Jarrah Forest and Swan Coastal Plain biogeographic regions of south-western Western Australia. It is also naturalised in other parts of that state and also in South Australia and Tasmania. [2] [3] [9]

Use in horticulture

A cultivar known as Kennedia nigricans 'Minstrel' was registered with the Australian Cultivar Registration Authority by Goldup Nursery of Mount Evelyn, Victoria in September 1985. This cultivar was selected from a batch of seedlings in 1983 and has a pale colouration instead of the yellow, which appears almost white. [10]

This climber is noted for its vigour and can be used to cover embankments or unsightly structures. [4] The species is adapted to a range of soils and prefers a sunny position. [5] [2] It is resistant to drought and has some frost tolerance. [5] The species can be propagated by scarified seed or cuttings of semi-mature growth, while the cultivar requires propagation from cuttings to remain true to type. [5] [10]

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<i>Gompholobium huegelii</i> Species of legume

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<i>Sambucus australasica</i> Species of flowering plant

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<i>Kennedia lateritia</i> Species of legume

Kennedia lateritia, commonly known as Augusta kennedia, is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a woody climber with twining stems, trifoliate leaves and orange-red and yellow flowers arranged in groups of up to twenty-four.

<i>Zanthoxylum ovalifolium</i> Species of plant in the family Rutaceae

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<i>Dinosperma</i> Genus of flowering plants

Dinosperma is a genus of plant containing the single species Dinosperma erythrococcum, commonly known as tingletongue, clubwood or nutmeg, and is endemic to north-eastern Australia. It is a tree usually with trifoliate leaves arranged in opposite pairs, the leaflets lance-shaped to oblong, and panicles of small white flowers, later bright orange to red, slightly fleshy follicles containing shiny, bluish black seeds.

Melicope affinis is a species of shrub or tree in the family Rutaceae and is endemic to Queensland. It has trifoliate leaves and small greenish white flowers borne in panicles in leaf axils.

Gompholobium karijini is a species of flowering plant in the family Fabaceae and is endemic to the north-west of Western Australia. It is an erect, openly-branched shrub with pinnate leaves with five to ten pairs of leaflets, and racemes of yellow to orange and creamy-yellow, pea-like flowers.

Gompholobium oreophilum is a species of flowering plant in the family Fabaceae and is endemic to the north-west of Western Australia. It is an erect shrub with pinnate leaves with elliptic leaflets, and racemes of yellow to orange and creamy-yellow, pea-like flowers.

<i>Gompholobium uncinatum</i> Species of flowering plant

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<i>Gompholobium virgatum</i> Species of flowering plant

Gompholobium virgatum, commonly known as leafy wedge pea, is a species of flowering plant in the family Fabaceae and is endemic to eastern Australia. It is a erect or sprawling shrub with trifoliate leaves, the leaflets narrow egg-shaped with the narrower end towards the base, and yellow and greenish, pea-like flowers.

<i>Kennedia beckxiana</i> Species of legume

Kennedia beckxiana, commonly known as Cape Arid kennedia, 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 twining shrub or a climber with trifoliate leaves and red and yellow, pea-like flowers.

<i>Kennedia carinata</i> Species of legume

Kennedia carinata is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a prostrate shrub with trifoliate leaves and reddish-purple, pea-like flowers.

<i>Kennedia glabrata</i> Species of legume

Kennedia glabrata, commonly known as Northcliffe kennedia, is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a prostrate shrub or creeper with trifoliate leaves and orange-pink to red flowers with a yellow centre.

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

Kennedia microphylla is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a prostrate, mat-forming creeper with relatively small, trifoliate leaves and red flowers.

References

  1. 1 2 "Kennedia nigricans". Australian Plant Census. Retrieved 18 October 2021.
  2. 1 2 3 4 "Kennedia nigricans". FloraBase . Western Australian Government Department of Parks and Wildlife.
  3. 1 2 "Kennedia nigricans". State Herbarium of South Australia. Retrieved 18 October 2021.
  4. 1 2 Greig, D. (1987). The Australian Gardener's Wildflower Catalogue. Australia: Angus & Robertson. ISBN   978-0207154607.
  5. 1 2 3 4 Bodkin, Frances (1991). Encyclopaedia Botanica. Australia: Cornstalk Publishing. ISBN   978-0207150647.
  6. ↑ "Kennedia nigricans". APNI. Retrieved 18 October 2021.
  7. ↑ Lindley, John (1835). "Kennedya nigricans". Edwards's Botanical Register. 20: 1715. Retrieved 18 October 2021.
  8. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 260. ISBN   9780958034180.
  9. ↑ "Kennedia nigricans". University of Tasmania. Retrieved 18 October 2021.
  10. 1 2 "Kennedia 'Minstrel'". Australian Cultivar Registration Authority. Retrieved 25 September 2008.
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