Banksia pseudoplumosa

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False plumed-banksia
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Banksia
Subgenus: Banksia subg. Banksia
Series: Banksia ser. Dryandra
Species:
B. pseudoplumosa
Binomial name
Banksia pseudoplumosa
Synonyms [1]

Dryandra pseudoplumosaA.S.George

Banksia pseudoplumosa, commonly known as false plumed-banksia, [2] is a species of shrub that is endemic to Western Australia. It has hairy stems, broadly linear, pinnatipartite leaves with sharply-pointed triangular lobes on the sides, yellow flowers in heads of about one hundred, and densely woolly-hairy follicles.

Contents

Description

Banksia pseudoplumosa is a shrub that typically grows to a height of 1.8 m (5 ft 11 in) but does not form a lignotuber. It has broadly linear, pinnatipartite leaves that are 80–170 mm (3.1–6.7 in) long and 6–15 mm (0.24–0.59 in) wide on a petiole 10–20 mm (0.39–0.79 in) long. There are between fifteen and thirty-one sharply-pointed triangular lobes on each side. Between ninety and one hundred yellow flowers are borne in heads with broadly linear, hairy, tapering involucral bracts up to 20 mm (0.79 in) long at the base of each head. The perianth is 16–18 mm (0.63–0.71 in) long and the pistil 23–25 mm (0.91–0.98 in) long and strongly curved. Flowering occurs from November to December, and the follicles are oblong to egg-shaped and densely woolly-hairy. Only one to three follicles, 16–18 mm (0.63–0.71 in) long, form in each head. [3] [4]

Taxonomy and naming

This species was first formally described in 1996 by Alex George who gave it the name Dryandra pseudoplumosa and published the description in the journal Nuytsia from material collected by Margaret Pieroni near Salt River Road in the Stirling Range National Park. [5] In 2007 Austin Mast and Kevin Thiele transferred all dryandras to the genus Banksia and renamed this species Banksia pseudoplumosa. [6] [7]

Distribution and habitat

False plumed-banksia grows in woodland over heath in the Stirling Range National Park and in patches of remnant vegetation north of Albany. The species is known from seven subpopulations in the Stirling Range National Park and in 2009, the total population was estimated to be about 3,400 plants in an area of 600 km2 (230 sq mi) with an occupancy of 0.15 km2 (0.058 sq mi). [8]

Conservation status

Banksia pseudoplumosa is classified as "endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and as "Threatened Flora (Declared Rare Flora — Extant)" by the Department of Environment and Conservation (Western Australia). [3] The main threats to the species are dieback caused by Phytophthora cinnamomi and inappropriate fire regimes. [8] An interim recovery plan has been prepared by the Government of Western Australia Department of Environment and Conservation. [2]

Related Research Articles

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<i>Banksia horrida</i> Species of shrub in the family Proteaceae endemic to Western Australia

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<i>Banksia mimica</i> Species of shrub in Western Australia

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<i>Banksia mucronulata</i> Species of shrub in Western Australia

Banksia mucronulata, commonly known as swordfish dryandra, is a species of shrub that is endemic to Western Australia. It has spreading, hairy stems, linear, deeply pinnatifid leaves with sharply-pointed lobes, pale yellow to cream-coloured flowers in heads of between 80 and 180, and egg-shaped follicles.

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<i>Banksia serratuloides</i> Species of shrub in the family Proteaceae endemic to Western Australia

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Banksia shanklandiorum is a species of dense shrub that is endemic to Western Australia. It has hairy stems, pinnatipartite to pinnatisect leaves with sharply-pointed lobes, pink to gold-coloured flowers in heads of about 100, and egg-shaped follicles.

<i>Banksia shuttleworthiana</i> Species of shrub in the family Proteaceae endemic to Western Australia

Banksia shuttleworthiana, commonly known as bearded dryandra, is a species of low, spreading shrub that is endemic to Western Australia. It has thin, woolly-hairy stems, linear pinnatisect leaves, creamy brown to purplish flowers in heads of about forty and later, only a few egg-shaped follicles in each head.

<i>Banksia subpinnatifida</i> Species of shrub in the family Proteaceae endemic to Western Australia

Banksia subpinnatifida is a species of bushy shrub that is endemic to the southwest of Western Australia. It has more or less linear, pinnatipartite leaves with sharply-pointed teeth on the sides, golden yellow flowers in heads of about sixty, and glabrous, elliptical follicles.

Banksia tortifolia is a small, spreading, prostrate shrub that is endemic to the southwest of Western Australia. It has short underground stems, pinnatipartite leaves with sharply-pointed, linear lobes on each side, greenish-cream, yellow and pink flowers in heads of about eighty, and glabrous, egg-shaped follicles.

References

  1. 1 2 "Banksia pseudoplumosa". Australian Plant Census. Retrieved 25 May 2020.
  2. 1 2 Casson, Nick. "False plumed-banksia (Banksia pseudoplumosa) Interim Recovery Plan 2011–2106" (PDF). Government of Western Australia Department of Environment and Conservation. Retrieved 25 May 2020.
  3. 1 2 "Banksia pseudoplumosa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ George, Alex S. (1999). Flora of Australia (PDF). Vol. 17B. Canberra: Australian Biological Resources Study, Canberra. p. 340. Retrieved 25 May 2020.
  5. ↑ "Dryandra pseudoplumosa". APNI. Retrieved 25 May 2020.
  6. ↑ 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.
  7. ↑ "Banksia pseudoplumosa". APNI. Retrieved 25 May 2020.
  8. 1 2 "Approved Conservation Advice for Banksia pseudoplumosa (a shrub)" (PDF). Australian Government Department of the Environment. Retrieved 25 May 2020.
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