Adriana quadripartita

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Adriana quadripartita
Adriana quadripartita Cape Naturaliste.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Adriana
Species:
A. quadripartita
Binomial name
Adriana quadripartita
(Labill.) Muell.Arg.[1]
Synonyms
  • Adriana bloudowskyana Mull.Arg. ex Pax
  • Adriana klotzschii (F.Muell.) Mull.Arg.
  • Croton quadripartitus Labill.
  • Trachycaryon klotzschii F.Muell.

Adriana quadripartita, the bitter bush, is a shrub in the family Euphorbiaceae. The species, which is endemic to southern Australia, has an erect open habit, growing to between 0.5 and 3 metres or more high.[2][3][4]

The lanceolate or ovate leaves are opposite, coarsely toothed and have a glabrous upper surface.[3][5] They are 5 to 10 cm long and 2 to 4 cm wide.[5] The male flower spikes are up to 17 cm long.[3] The female flowers, which occur on separate plants, appear in clusters.[5] These are followed by ovoid capsules which are about 1 centimetre in diameter.[2]

Forms[]

There are two recognised forms, one with wholly glabrous leaves and another pubescent form with leaves which are whitish tomentose on the underside.

Glabrous form[]

This form, also known as rare bitter-bush or Adriana quadripartita sensu stricto, occurs in Western Australia, South Australia and in Victoria where it reaches its eastern limit at Port Phillip heads.[2][4][5] This form is listed as "threatened" in Victoria under the Flora and Fauna Guarantee Act 1988.[6]

Pubescent form[]

This form, also known as coast bitter-bush, is sometimes recognised as a species in its own right - Adriana klotzchii. It occurs on sand dunes along the coast of South Australia and into Victoria as far east as Wilsons Promontory.[3][5] In South Australia, flowers are mostly produced in spring but may appear year round.[3] This form is a host plant of the bitter-bush blue butterfly (Theclinesthes albocincta).[7]

Cultivation[]

The species can be propagated by cuttings. The pubescent form may be used as a protective screen planting against salt-spray in coastal areas.[8]

Gallery[]

  • kvinna

  • Male

References[]

  1. ^ "Adriana quadripartita". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government, Canberra. Retrieved 2009-07-28.
  2. ^ a b c "Adriana quadripartita". Electronic Flora of South Australia Fact Sheet. State Herbarium of South Australia. Archived from the original on 2012-11-27. Retrieved 2009-07-28.
  3. ^ a b c d e "Adriana klotzchii". Electronic Flora of South Australia Fact Sheet. State Herbarium of South Australia. Retrieved 2009-07-28.[permanent dead link]
  4. ^ a b "Adriana quadripartita". FloraBase. Western Australian Government Department of Parks and Wildlife.
  5. ^ a b c d e Costermans, L. (1981). Native Trees and Shrubs of South-eastern Australia. Australia: Rigby. ISBN 072701403X.
  6. ^ "Threatened List (November 2008) - Flora and Fauna Guarantee Act 1988" (PDF). Department of Sustainability and Environment. Retrieved 2009-07-28.
  7. ^ "Bitter-bush Blue" (PDF). Eco Voice. Archived from the original (PDF) on 2016-03-06. Retrieved 2009-07-28.
  8. ^ Wrigley J.W. and Fagg M. (1979). Australian Native Plants. William Collins Publishers Sydney, Australia. ISBN 0-00-216416-7.
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