Biology:Banksia lepidorhiza

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Short description: Species of shrub in Western Australia

Banksia lepidorhiza

Priority One — Poorly Known Taxa (DEC)
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Banksia
Subgenus: Banksia subg. Banksia
Series: Banksia ser. Dryandra
Species:
B. lepidorhiza
Binomial name
Banksia lepidorhiza
(A.S.George) A.R.Mast & K.R.Thiele[1]
Synonyms[1]

Dryandra lepidorhiza A.S.George

Banksia lepidorhiza is a species of prostrate shrub that is endemic to Western Australia. It has underground stems, linear pinnatipartite leaves with sharply pointed lobes, pink, cream-coloured and yellow flowers in head of about thirty and egg-shaped follicles. It is only known from near Woodanilling.

Description

Banksia lepidorhiza is a prostrate shrub that typically grows to a width of 1.5 m (4 ft 11 in) with underground stems and a lignotuber. It has dull green, pinnatipartite leaves with between fifteen and twenty-five linear, sharply pointed lobes on each side. The flowers are arranged in heads of between twenty-five and thirty with narrow lance-shaped, involucral bracts 9–10 mm (0.35–0.39 in) long at the base of the head. The flowers have a deep pink perianth 32–34 mm (1.3–1.3 in) long and a cream-coloured and dull yellow pistil 31–33 mm (1.2–1.3 in) long. Flowering occurs from October to November and the follicles are broadly egg-shaped, 10–15 mm (0.39–0.59 in) long and glabrous.[2][3][4]

Taxonomy and naming

This species was first formally described in 1996 by Alex George who gave it the name Dryandra lepidorhiza and published the description in the journal Nuytsia from a specimen he collected west of Woodanilling in 1986.[4][5] The specific epithet (lepidorhiza) is from the ancient Greek words lepis (λεπίς), meaning 'scale', and rhiza (ῥίζα), meaning 'root', referring to the underground stems that are covered with scale-like bracts.[4]

In 2007 Austin Mast and Kevin Thiele transferred all dryandras to the genus Banksia and renamed this species Banksia lepidorhiza.[6][7]

Distribution and habitat

Banksia lepidorhiza is only known from the type location where it grows in low kwongan in the Avon Wheatbelt biogeographic region.[2][4]

Conservation status

This banksia is classified as "Priority One" by the Government of Western Australia Department of Parks and Wildlife,[2] meaning that it is known from only one or a few locations which are potentially at risk.[8]

References

  1. ↑ 1.0 1.1 "Banksia lepidorhiza". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/205136. 
  2. ↑ 2.0 2.1 2.2 "Banksia lepidorhiza". FloraBase. Western Australian Government Department of Parks and Wildlife. https://florabase.dpaw.wa.gov.au/browse/profile/32213. 
  3. ↑ George, Alex S. (1999). Flora of Australia. 17B. Canberra: Australian Biological Resources Study, Canberra. p. 316. https://www.environment.gov.au/system/files/pages/6d8c5c3b-8545-437e-b9b3-944ac95ee07a/files/flora-australia-17b-proteaceae-3-hakea-dryandra.pdf. Retrieved 2 May 2020. 
  4. ↑ 4.0 4.1 4.2 4.3 George, Alex (1996). "New taxa and a new infrageneric classification in Dryandra R.Br. (Proteaceae : Grevilleoideae)". Nuytsia 10 (3): 374–375. doi:10.58828/nuy00235. https://www.biodiversitylibrary.org/item/224945#page/68/mode/1up. Retrieved 9 May 2020. 
  5. ↑ "Dryandra lepidorhiza". APNI. https://id.biodiversity.org.au/instance/apni/559066. 
  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. Bibcode: 2007AuSyB..20...63M. 
  7. ↑ "Banksia lepidorhiza". APNI. https://id.biodiversity.org.au/instance/apni/614285. 
  8. ↑ "Conservation codes for Western Australian Flora and Fauna". Government of Western Australia Department of Parks and Wildlife. https://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/Conservation%20code%20definitions.pdf. 

Wikidata ☰ Q4856639 entry