Streptoglossa decurrens

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Streptoglossa decurrens
Streptoglossa decurrens.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Streptoglossa
Species:
S. decurrens
Binomial name
Streptoglossa decurrens

Streptoglossa decurrens is a species of flowering plant in the family Asteraceae. It grows in Queensland, Western Australia and the Northern Territory. It is an upright, aromatic perennial herb or shrub with pink-purplish or reddish purple flowers.

Contents

Description

Streptoglossa decurrens is a shrub growing to 70 cm (28 in) high. The leaves and branches are strongly fragrant, sticky and covered with soft, weak, thin hairs to long, soft, straight hairs and thickly glandular. The stems are upright leafy, older branches maybe leafless. The leaves are decurrent, elliptic, oblong or rarely oblong-lance shaped, leaves of main branches and stems 2–6 cm (0.79–2.36 in) long, 0.8–2.3 cm (0.31–0.91 in) wide, margins smooth or toothed. The capitula are usually in a corymb cluster on lateral branches of 45-80 florets and the involucre 0.8–1.4 cm (0.31–0.55 in) long. The pink-purple or red-purple corolla has 5 lobes, 6–7 mm (0.24–0.28 in) long, smooth and usually not glandular. Flowering occurs from July to November and the fruit is dry, one-seeded, 2–2.5 mm (0.079–0.098 in) long, silky with flattened hairs. [2] [3] [4]

Taxonomy and naming

Streptoglossa decurrens was first described by Augustin Pyramus de Candolle as Erigeron decurrens. [5] In 1981 Clyde Robert Dunlop changed the name to Streptoglossa decurrens and the description was published in Journal of the Adelaide Botanic Garden . [2] [6] The specific epithet (decurrens) refers to the leaves . [7]

Distribution and habitat

This species is found growing on rocky soils and hillsides, creek beds and clay depressions in Queensland, Western Australia and the Northern Territory. [3]

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References

  1. "Streptoglossa decurrens". Australian Plant Census. Retrieved 25 June 2022.
  2. 1 2 Dunlop, C.R (1981). "Streptoglossa decurrens". Journal of the Adelaide Botanic Garden. 3 (2): 171. JSTOR   23872234 . Retrieved 25 June 2022.
  3. 1 2 Spooner, Amanda. "Streptoglossa decurrens". Florabase—the Western Australian Flora. Department of Biodiversity, Conservation and Attractions. Retrieved 25 June 2022.
  4. Dunlop, C.R; Orchard, A.E (1992). Flora of Australia 37 Asteraceae 1 (1st ed.). Canberra: ABRS. p. 424. ISBN   9781486304165.
  5. "Erigeron decurrens". Australian Plant Name Index. Retrieved 27 June 2022.
  6. "Streptoglossa decurrens". Australian Plant Name Index. Retrieved 27 June 2022.
  7. Sharr, Francis Aubi; George, Alex (2021). Western Australian Plant Names and Their Meanings (4th ed.). Kardinya, WA: Four Gables Press. p. 155. ISBN   9780958034180.