Lasiopetalum membranaceum

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Lasiopetalum membranaceum
Status DECF P3.svg
Priority Three — Poorly Known Taxa (DEC)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Lasiopetalum
Species:
L. membranaceum
Binomial name
Lasiopetalum membranaceum

Lasiopetalum membranaceum is a species of flowering plant in the family Malvaceae and is endemic to near-coastal areas of south-western Western Australia. It is an erect, spreading shrub or subshrub with hairy young stems, egg-shaped leaves and mauve-pink and dark red flowers.

Contents

Description

Lasiopetalum membranaceum is an erect, spreading shrub or subshrub that typically grows to a height of 30–50 cm (12–20 in) and has its young stems densely covered with star-shaped hairs. The leaves are pliable, egg-shaped, mostly 19–39 mm (0.75–1.54 in) long and 11–27 mm (0.43–1.06 in) wide on a petiole 10–21 mm (0.39–0.83 in) long, the upper surface more or less glabrous and the lower surface covered with star-shaped hairs. The flowers are borne in loose groups of seven to fourteen flowers, the groups 38–81 mm (1.5–3.2 in) long on a peduncle 19–31 mm (0.75–1.22 in) long, each flower on a pedicel 4.2–9.5 mm (0.17–0.37 in) long with egg-shaped, mauve-pink bracteoles 3.2–6.5 mm (0.13–0.26 in) long below the base of the sepals. The sepals are also mauve-pink with a dark red base, 5.3–6.3 mm (0.21–0.25 in) long with narrowly egg-shaped lobes 4.9–6.5 mm (0.19–0.26 in) long. There are no petals and the anthers are 1.4–1.9 mm (0.055–0.075 in) long on a filament 0.5–0.6 mm (0.020–0.024 in) long. Flowering occurs from September to December. [2] [3]

Taxonomy

This taxon was first formally described in 1845 by Ernst Gottlieb von Steudel who gave it the name Corethrostylis membranacea in Johann Georg Christian Lehmann's Plantae Preissianae . [4] [5] In 1863, George Bentham changed the name to Lasiopetalum membranaceum in Flora Australiensis . [6] The specific epithet (membranaceum) means "membranous", referring to the leaves. [7]

Distribution and habitat

This lasiopetalum grows in forest or woodland in near-coastal areas and occurs from Perth (including in Kings Park) to near Augusta in the Jarrah Forest, Swan Coastal Plain and Warren biogeographic area of southern Western Australia. [2]

Conservation status

Lasiopetalum membranaceum is listed as "Priority Three" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, [2] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [8]

Related Research Articles

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<i>Hibbertia depressa</i> Species of flowering plant

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<i>Hibbertia striata</i> Species of flowering plant

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<i>Lasiopetalum bracteatum</i> Species of plant

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<i>Lasiopetalum glutinosum</i> Species of shrub

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Lasiopetalum indutum is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It is an erect or straggling shrub with hairy stems and pink, cream-coloured or white flowers.

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Thomasia montana, commonly known as hill thomasia, is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It is an upright to low, ground-covering shrub with hairy new growth, egg-shaped to broadly oblong leaves, sometimes with wavy or toothed edges, and pale purplish-pink to maroon flowers.

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References

  1. "Lasiopetalum membranaceum". Australian Plant Census. Retrieved 17 March 2022.
  2. 1 2 3 "Lasiopetalum membranaceum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. Shepherd, Kelly A.; Wilkins, Carolyn F. (2018). "A taxonomic revision of species with a petaloid epicalyx bract allied to Lasiopetalum bracteatum (Malvaceae: Byttnerioideae)" (PDF). Nuytsia. 29: 169–171. Retrieved 17 March 2022.
  4. "Corethrostylis membranacea". APNI. Retrieved 17 March 2022.
  5. von Steudel, Ernst G.; Lehmann, Johann G.C. (1845). Plantae Preissianae. Vol. 1. Hamburg. p. 236. Retrieved 17 March 2022.
  6. "Lasiopetalum membranaceum". APNI. Retrieved 17 March 2022.
  7. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 251. ISBN   9780958034180.
  8. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 17 March 2022.