Conospermum canaliculatum

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Conospermum canaliculatum
Conospermum canaliculatum.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Conospermum
Species:
C. canaliculatum
Binomial name
Conospermum canaliculatum
Habit near Badgingarra Conospermum canaliculatum habit.jpg
Habit near Badgingarra

Conospermum canaliculatum is a species of flowering plant in the family Proteaceae, and is endemic to the south-west of Western Australia. It is a dense, multistemmed, erect shrub with linear leaves and spike-like panicles of woolly white, tube-shaped flowers.

Contents

Description

Conospermum canaliculatum is a dense, multistemmed, erect shrub that typically grows to a height of up to 1 m (3 ft 3 in). Its leaves are linear, 40–200 mm (1.6–7.9 in) long and 2–4 mm (0.079–0.157 in) wide with distinct longitudinal channels on the upper surface. The flowers are arranged in branched, spike-like panicles in upper leaf axils on hairy peduncles 105–150 mm (4.1–5.9 in) long. The bracteoles are 1.5–2.5 mm (0.059–0.098 in) long. The perianth is white-woolly and black or maroon inside, forming a tube 3.0–3.5 mm (0.12–0.14 in) long. The upper lip is 1.0–1.6 mm (0.039–0.063 in) long, the lower lip joined for 0.5–1.0 mm (0.020–0.039 in) long with lobes 0.75–1.0 mm (0.030–0.039 in) long and 0.2–0.3 mm (0.0079–0.0118 in) wide. Flowering time varies with subspecies and the fruit is a hairy, rusty-brown nut 2.0–2.5 mm (0.079–0.098 in) long. [2] [3]

Taxonomy

Conospermum canaliculatum was first formally decribed in 1848 by Carl Meissner in Johann Georg Christian Lehmann's book, Plantae Preissianae from specimens collected in the Swan River Colony by James Drummond. [4] [5]

In 1995, Eleanor Marion Bennett described subspecies apiculatum in the Flora of Australia , and that name, and that of the autonym are accepted by the Australian Plant Census:

Distribution and habitat

This species grows in sand between Perth and Badgingarra. [2] [3] Subspecies apiculatum is found near Badgingarra in the Geraldton Sandplains bioregion [7] [8] and subsp. canaliculatum occurs between Perth and Yanchep in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest and Swan Coastal Plain bioregions. [10] [11]

Conservation status

Both subspecies of C. canaliculatum are listed as "not threatened" by the Government of Western Australia Department of Parks and Wildlife. [8] [11]

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References

  1. "Conospermum canaliculatum". Australian Plant Census. Retrieved 9 July 2024.
  2. 1 2 Bennett, Edith M. "Conospermum canaliculatum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 9 July 2024.
  3. 1 2 "Conospermum canaliculatum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. "Conospermum canaliculatum". Australian Plant Name Index. Retrieved 9 July 2024.
  5. Meissner, Carl (1848). Lehmann, Johann G.C. (ed.). Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss. Vol. 2. Hamburg: Sumptibus Meissneri. p. 250. Retrieved 9 July 2024.
  6. "Conospermum canaliculatum subsp. apiculatum". Australian Plant Census. Retrieved 9 July 2024.
  7. 1 2 Bennett, Edith M. "Conospermum canaliculatum subsp. apiculatum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 9 July 2024.
  8. 1 2 3 "Conospermum canaliculatum subsp. apiculatum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  9. "Conospermum canaliculatum subsp. canaliculatum". Australian Plant Census. Retrieved 9 July 2024.
  10. 1 2 Bennett, Edith M. "Conospermum canaliculatumsubsp. canaliculatum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 9 July 2024.
  11. 1 2 3 "Conospermum canaliculatumsubsp. canaliculatum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.