Jacksonia capitata

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Jacksonia capitata
Jacksonia capitata.jpg
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: Jacksonia
Species:
J. capitata
Binomial name
Jacksonia capitata
Synonyms [1]
  • Jacksonia capitataBenth. var. capitata
  • 'Jacksonia juncea Turcz.
  • 'Jacksonia umbellataTurcz.
  • 'Piptomeris umbellata(Turcz.) Greene

Jacksonia lehmanni var. angulata Blackall & Grieve nom. inval., nom. nud.

Contents

Jacksonia capitata is a species of flowering plant in the family Fabaceae and is endemic to the south of Western Australia. It is a spindly, low-lying to erect ascending shrub with curly, greyish green, cylindrical branches, the leaves reduced scales, and yellow-orange and red flowers in clusters at the ends of the shoots.

Description

Jacksonia capitata is a spindly, low-lying to erect ascending shrub that typically grows up to 5–50 cm (2.0–19.7 in) high and 30–50 cm (12–20 in) wide. It has greyish-green, branches 6–20 mm (0.24–0.79 in) long and .4–0.7 mm (0.016–0.028 in), its leaves reduced to egg-shaped scales, 0.5–1.3 mm (0.020–0.051 in) long and 0.3–0.8 mm (0.012–0.031 in) wide. The flowers are arranged in umbel-like clusters on the ends of shoots, each flower on a pedicel 1.5–3.5 mm (0.059–0.138 in) long, with egg-shaped or narrowly egg-shaped bracteoles 0.5–1.5 mm (0.020–0.059 in) long and 0.3–0.6 mm (0.012–0.024 in) wide with toothed edges. The floral tube is 0.5–0.8 mm (0.020–0.031 in) long and the sepals are membraneous, with lobes 4.5–7 mm (0.18–0.28 in) long and 0.65–1.5 mm (0.026–0.059 in) wide. The standard petal is yellow-orange with a red "eye", 4.0–4.5 mm (0.16–0.18 in) long and 4.3–6 mm (0.17–0.24 in) wide, the wings yellow-orange with dark red markings, 3.3–3.9 mm (0.13–0.15 in) long, and the keel is red, 5–6 mm (0.20–0.24 in) long. The stamens have pink filaments with a red tip and are 3–6.1 mm (0.12–0.24 in) long. Flowering occurs from September to January, and the fruit is a membraneous pod 4.4–5 mm (0.17–0.20 in) long and 2.7–3.0 mm (0.11–0.12 in) wide. [2] [3]

Taxonomy

Jacksonia capitata was first formally described in 1837 by George Bentham in his Commentationes de Leguminosarum Generibus from specimens collected by Ferdinand Bauer. [4] The specific epithet (capitata) means 'capitate', referring to the head of flowers. [5]

Distribution and habitat

This species of Jacksonia grows in sandy soils on headlands or plains between the Stirling Range and Israelite Bay, with an isolated population in the Lane Poole Reserve, in the Avon Wheatbelt, Esperance Plains, Jarrah Forest and Mallee bioregions of southern Western Australia. [3] [2]

Conservation status

This species is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions. [3]

Related Research Articles

<i>Jacksonia furcellata</i> Species of legume

Jacksonia furcellata, commonly known as grey stinkwood, is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a prostrate to low-lying, or weeping erect shrub with greyish-green branches, sharply-pointed side branches, its leaves reduced to scales leaves, yellowish-orange flowers, and woody, hairy pods.

<i>Jacksonia sericea</i> Species of legume

Jacksonia sericea, commonly known as waldjumi, is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a spreading to prostrate shrub with greyish-green branches, straight, sharply-pointed side branches, leaves reduced to scales, orange flowers with red markings, and woody, densely hairy pods.

<i>Daviesia ulicifolia</i> Species of plant

Daviesia ulicifolia, commonly known as gorse bitter-pea, is a species of flowering plant in the family Fabaceae and is endemic to south-eastern Australia. It is a rigid, openly-branched shrub with sharply-pointed, narrow elliptic, narrow egg-shaped, rarely egg-shaped phyllodes and usually orange-yellow and dark red flowers.

<i>Bossiaea rhombifolia</i> Species of legume

Bossiaea rhombifolia, is a species of flowering plant in the family Fabaceae and is endemic to eastern Australia. It is an erect, glabrous shrub with diamond-shaped, more or less round or broadly egg-shaped leaves, and yellow and red or pinkish flowers.

Micromyrtus greeniana is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to a small area in the west of Western Australia. It is a spindly shrub with linear to egg-shaped leaves and small white or cream-coloured flowers.

<i>Jacksonia lehmannii</i> Species of legume

Jacksonia lehmannii is a is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect to prostrate or spreading, spindly shrub with greyish-green branches, sharply-pointed side branches, its leaves reduced to scales leaves, yellowish-orange flowers with orange-red markings, and woody, hairy pods.

<i>Jacksonia horrida</i> Species of legume

Jacksonia horrida is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect or spreading to prostrate, bushy shrub with greyish-green branches ending in short, flattened, sharply-pointed side branches, the leaves reduced to scales and the flowers scattered and yellow-orange with red markings.

Pultenaea craigiana is a species of flowering plant in the family Fabaceae and is endemic to near Ravensthorpe in the south of Western Australia. It is an erect, spindly shrub with densely hairy young stems, egg-shaped leaves with the narrower end towards the base, and yellow and red flowers.

<i>Jacksonia anthoclada</i> Species of legume

Jacksonia anthoclada is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect, single-stemmed shrub with hairy, elliptic to egg-shaped phylloclades with sharply-pointed edges, yellow-orange flowers with red markings, and hairy, woody pods.

<i>Daviesia grahamii</i> Species of flowering plant

Daviesia grahamii is a species of flowering plant in the family Fabaceae and is endemic to the interior of Western Australia. It is a multi-stemmed shrub with narrowly egg-shaped to linear phyllodes, and bright yellow to orange-yellow, dark red and maroon flowers.

Stenanthemum limitatum is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia. It is an erect or straggling shrub with sparsely hairy young stems, egg-shaped to fan-shaped leaves and greyish, softly-hairy heads of white or cream-coloured flowers.

<i>Jacksonia acicularis</i> Species of legume

Jacksonia acicularis is a species of flowering plant in the family Fabaceae and is endemic to the west of Western Australia. It is an erect, spindly shrub with very sharply-pointed short side branches, leaves reduced to scales, orange flowers with red markings, and densely hairy pods.

<i>Jacksonia aculeata</i> Species of legume

Jacksonia aculeata is a species of flowering plant in the family Fabaceae and is endemic to the northern Australia. It is a spreading shrub with sharply-pointed, hairy, short side branches, leaves reduced to scales, lemon-yellow flowers, and woody, hairy pods.

<i>Jacksonia alata</i> Species of legume

Jacksonia alata is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a tufted, semi-prostrate to erect shrub with flattened branches, sharply-pointed side branches or phylloclades, leaves reduced to narrowly lance-shaped scales, yellow-orange flowers with a red "eye", and woody, densely hairy pods.

<i>Jacksonia angulata</i> Species of legume

Jacksonia angulata is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a tufted, spreading to prostrate shrub often with zig-zagged branches, sharply-pointed side branches or phylloclades, leaves reduced to broadly egg-shaped scales, yellow-orange to orange flowers with a red "eye", and woody, densely hairy pods.

<i>Jacksonia arenicola</i> Species of legume

Jacksonia arenicola is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect, broom-like shrub with densely hairy, sharply-pointed phylloclades, yellow-orange flowers with red markings, and woody pods that are hairy at first, later glabrous.

<i>Jacksonia argentea</i> Species of legume

Jacksonia argentea is a species of flowering plant in the family Fabaceae and is endemic to the far north of Western Australia. It is an erect, silver-grey shrub with flattened, narrowly lance-shaped to narrowly elliptical cladodes or phylloclades, bright yellow flowers, and woody hairy pods.

Jacksonia arida is a species of flowering plant in the family Fabaceae and is endemic to Western Australia. It is an erect or prostrate shrub with tangled branches, sharply-pointed branchlets, yellow-orange to orange flowers, and woody pods.

<i>Jacksonia calcicola</i> Species of legume

Jacksonia calcicola is a species of flowering plant in the family Fabaceae and is endemic to the south west of Western Australia. It is a prostrate spreading or erect, prickly shrub with short, curved backwards and sharply pointed end branches, yellow-orange flowers with red markings, and woody, hairy pods.

Jacksonia calycina is a species of flowering plant in the family Fabaceae and is endemic to the south west of Western Australia. It is an erect or straggling shrub with sharply pointed end branches, yellow-orange flowers with red and yellow markings, and woody, hairy pods.

References

  1. 1 2 "Jacksonia capitata". Australian Plant Census. Retrieved 24 September 2024.
  2. 1 2 Chappill, Jennifer A.; Wilkins, Carolyn F.; Crisp, Michael D. (2007). "Taxonomic revision of Jacksonia (Leguminosae: Mirbelieae)". Australian Systematic Botany. 20 (6): 568–569.
  3. 1 2 3 "Jacksonia capitata". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ "Jacksonia capitata". Australian Plant Name Index. Retrieved 24 September 2024.
  5. ↑ George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (4th ed.). Kardinya, WA: Four Gables Press. p. 157. ISBN   9780958034180.
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