Thomasia angustifolia

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Narrow-leaved thomasia
Thomasia angustifolia 01.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Thomasia
Species:
T. angustifolia
Binomial name
Thomasia angustifolia
Foliage Thomasia angustifolia foliage.jpg
Foliage

Thomasia angustifolia, commonly known as narrow-leaved thomasia, [2] is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It has densely hairy young stems, narrowly oblong, wrinkled leaves and pinkish-purple, bell-shaped flowers.

Contents

Description

Thomasia angustifolia is a shrub that sometimes grows to 1.5 m (4 ft 11 in) high and wide, but more usually 10–70 cm (3.9–27.6 in) high, its yound growth densely covered with star-shaped hairs. The leaves are usually narrowly oblong, 8–25 mm (0.31–0.98 in) long and 2–6 mm (0.079–0.236 in) wide on a petiole 4–5 mm (0.16–0.20 in) long. The leaves are wavy and wrinkled with the edges rolled under, the lower side a paler shade of green and covered with star-shaped hairs. There are wing-like stipules 5–6 mm (0.20–0.24 in) long at the base of the petiole. The flowers are arranged in racemes of 2 to 8 that are 30–40 mm (1.2–1.6 in) long, each flower up to 15 mm (0.59 in) wide, on a pedicel about 7 mm (0.28 in) long, with hairy bracteoles 6–7 mm (0.24–0.28 in) long at the base. The sepals are pink and hairy, the petals red and rounded but very small 1 mm (0.039 in) long, and the style is longer than the stamens. [2] [3]

Taxonomy and naming

Thomasia angustifolia was first formally described by botanist Ernst Gottlieb von Steudel in 1845 who published the description in Lehmann's Plantae Preissianae . [4] [5] The specific epithet (angustifolia) is from the Latin angustus meaning "narrow" [6] :90 and folium meaning "leaf". [6] :340

Distribution and habitat

Narrow-leaved thomasia is found growing in loam, sand plains and occasionally damp locations near creeks from Albany and west to Esperance. [2]

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<i>Thomasia cognata</i> Species of shrub

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Thomasia rulingioides is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It is an erect, open shrub with densely hairy new growth, narrowly oblong to narrowly egg-shaped leaves with wavy edges, and pink to purple flowers.

<i>Commersonia rugosa</i> Species of plant

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<i>Commersonia salviifolia</i> Species of plant

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References

  1. Steudel, Ernst. "Thomasia angustifolia". Australian Plant Census. Retrieved 17 September 2019.
  2. 1 2 3 "Thomasia angustifolia". FloraBase W.A. Department of Biodiversity, Conservation and Attractions. Retrieved 17 September 2019.
  3. Blake, Trevor L. (2021). Lantern bushes of Australia; Thomasias & allied genera : a field and horticultural guide. Victoria: Australian Plants Society, Keilor Plains Group. pp. 12–13. ISBN   9780646839301.
  4. "Thomasia angustifolia". Australian Plant Name Index. Retrieved 28 January 2023.
  5. von Steudel, Ernst G. (1845). Lehmann, Johann G.C.; Preiss, Ludwig (eds.). Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali. Hamburg: Sumptibus Meissneri. p. 232. Retrieved 28 January 2023.
  6. 1 2 Brown, Roland W. (1956). The Composition of Scientific Words. Washington D.C: Smithsonian Institution Press.