Biology:Banksia armata var. ignicida

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Short description: Variety of shrub in the family Proteaceae endemic to Western Australia

Banksia armata var. ignicida
Dryandra armata ignicida (B. armata) Cape Le Grand NP IV-2014.JPG
Variety ignicida in Cape Le Grand National Park
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Banksia
Species:
B. armata
Variety:
B. a. var. ignicida
Trinomial name
Banksia armata var. ignicida
(A.S.George) A.R.Mast & K.R.Thiele[1]

Banksia armata var. ignicida is a variety of shrub that is endemic to Western Australia. It differs from the autonym (Banksia armata var. armata) in not having a lignotuber. It is also usually a taller plant with leaves that are longer with fewer side lobes, and longer flowers.

Description

Banksia armata var. ignicida is a shrub that typically grows to a height of up to 3 m (9.8 ft) and lacks a lignotuber. It has leaves that are 60–80 mm (2.4–3.1 in) long and 20–25 mm (0.79–0.98 in) wide and deeply serrated with between five and eight triangular, sharply pointed lobes on each side. The perianth is yellow, 30–39 mm (1.2–1.5 in) long and the pistil 35–42 mm (1.4–1.7 in) long.[2][3][4]

Taxonomy

Specimens of B. armata were first collected in 1801, and the description was published in 1810 in the Transactions of the Linnean Society of London by Robert Brown as Dryandra armata.[5][6] In 1996, Alex George described two varieties of D. armata in the journal Nuytsia. The type specimens of D. armata var. ignicida were collected by him east of Woodanilling.[4][7] The varietal epithet (ignicida) is from the Latin ignis ("fire") and -cidus ("killing"), in reference to the fact that this variety is killed by fire (because it lacks a lignotuber).[8] In 2007, all Dryandra species were transferred to Banksia by Austin Mast and Kevin Thiele and the change is accepted by the Australian Plant Census.[1][9]

Distribution and habitat

This variety occurs through much of the south-west of Western Australia, being widespread between Pingelly and Katanning, and east to Mount Ragged in the Cape Arid National Park.[3]

References

  1. ↑ 1.0 1.1 "Banksia aurantia var. ignicida". https://biodiversity.org.au/nsl/services/apc-format/display/205079. 
  2. ↑ "Banksia armata var. ignicida". FloraBase. Western Australian Government Department of Parks and Wildlife. https://florabase.dpaw.wa.gov.au/browse/profile/32683. 
  3. ↑ 3.0 3.1 George, Alex S. (1999). Flora of Australia. 17B. Canberra: Australian Biological Resources Study, Canberra. p. 269. https://www.environment.gov.au/system/files/pages/6d8c5c3b-8545-437e-b9b3-944ac95ee07a/files/flora-australia-17b-proteaceae-3-hakea-dryandra.pdf. Retrieved 30 March 2020. 
  4. ↑ 4.0 4.1 George, Alex (1996). "New taxa and a new infrageneric classification in Dryandra R.Br. (Proteaceae : Grevilleoideae)". Nuytsia 10 (3): 331–332. https://www.biodiversitylibrary.org/item/224945#page/25/mode/1up. Retrieved 30 March 2020. 
  5. ↑ "Dryandra armata". APNI. https://id.biodiversity.org.au/instance/apni/526659. 
  6. ↑ Brown, Robert (1810). "On the Proteaceae of Jussieu". Transactions of the Linnean Society of London 10 (1): 213. https://www.biodiversitylibrary.org/page/757212#page/223/mode/1up. Retrieved 30 March 2020. 
  7. ↑ "Dryandra armata var. ignicida". APNI. https://id.biodiversity.org.au/instance/apni/558959. 
  8. ↑ Francis Aubie Sharr (2019). Western Australian Plant Names and their Meanings. Kardinya, Western Australia: Four Gables Press. p. 362. ISBN 9780958034180. 
  9. ↑ Mast, Austin R.; Thiele, Kevin (2007). "The transfer of Dryandra R.Br. to Banksia L.f. (Proteaceae)". Australian Systematic Botany 20 (1): 63–71. doi:10.1071/SB06016. 

Wikidata ☰ Q4856552 entry



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