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词条 Hakea orthorrhyncha
释义

  1. Description

  2. Taxonomy and naming

  3. Distribution and habitat

  4. References

{{speciesbox
|name = Bird beak hakea
|image= Hakea orthorrhyncha.jpg
|image_caption=Hakea orthorryncha flower Maranoa Gardens Balwyn, Victoria
|genus = Hakea
|species = orthorrhyncha
|authority = F.Muell[1]
|range_map = Hakea orthorrhyncha DistMap.png
|range_map_caption = Occurrence data from AVH
|}}

Hakea orthorrhyncha, commonly known as bird beak hakea, is a shrub which is endemic to the Murchison River area of Western Australia.

Description

Hakea orthorrhyncha has a spreading habit, growing to between {{convert|1-3|m|ft|sigfig=1|abbr=on}} tall with a similar spread. The bright red flowers appear in axillary clusters in the leaf nodes on older growth along the branches from early winter to early spring. Leaves vary, they may be needle-like or flat and sometimes forked, curved or straight ending in a sharp point between {{convert|7-18|cm|in|sigfig=1|abbr=on}} long. Smooth woody fruit are either egg-shaped or elliptic {{convert|4-5|cm|in|sigfig=1|abbr=on}} long and {{convert|2|cm|in|sigfig=1|abbr=on}} wide.[2][3][3][4]

Taxonomy and naming

The species was first described in 1868 by botanist Ferdinand von Mueller who gave it the specific epithet orthorrhyncha which is derived from the Greek words ortho "straight" and rhynchos "beak" alluding to the straight beak on the seed capsules.[5]

There are two varieties of the species, based on differing foliage characteristics:

  • Hakea orthorrhyncha var. filiformis F.Muell. ex Benth. has a spreading rounded growth habit to {{convert|3|m|ft|sigfig=1|abbr=on}} high, finely textured needle-like dark green leaves often divided up to {{convert|160|mm|in|sigfig=1|abbr=on}} long with a groove on the underside of the leaf.[6] This variety grows in the Murchison River to Mingenew area.[7]
  • Hakea orthorrhyncha F.Muell. var. orthorrhyncha rounded shrub to {{convert|1.5|m|ft|sigfig=1|abbr=on}} has flat long and narrow leathery leaves {{convert|2-3|mm|in|sigfig=1|abbr=on}} wide and {{convert|140|mm|in|sigfig=1|abbr=on}} long.[6] This variety is confined to the northern sandplains of the Kalbarri region.[7]

Distribution and habitat

Hakea orthorrhyncha grows on the Geraldton sand plains on grey sand, loam and granite.[8]

References

1. ^{{cite web |url=http://www.anbg.gov.au/cgi-bin/apni?TAXON_NAME=HAKEA+ORTHORRHYNCHA|title=Hakea orthorrhyncha |accessdate=2009-04-02 |work= Australian Plant Name Index (APNI), IBIS database|publisher = Centre for Plant Biodiversity Research, Australian Government, Canberra}}
2. ^{{cite book |last1=Holliday |first1=Ivan |title="Hakeas:A Field and Garden Guide" |publisher=Reed New Holland |isbn=1-877069-14-0}}
3. ^{{FloraBase|name=Hakea orthorrhyncha|id=2192}}
4. ^{{cite web |title=Hakea orthorrhyncha |url=http://anpsa.org.au/h-ort.html |publisher=Australian Native Plants Society (Australia) |accessdate=28 December 2018}}
5. ^{{cite web |title=Hakea orthorrhyncha |url=http://www.anbg.gov.au/abrs/online-resources/flora/stddisplay.xsql?pnid=3269 |website=Flora of Australia Online |publisher=Department of Environment and Heritage |accessdate=26 December 2018}}
6. ^{{cite book |last1=Young |first1=J A |title="Hakeas of Western Australia:A Field and Identification Guide |publisher=J A Young |isbn=0-9585778-2-X}}
7. ^{{cite web |title=Hakea orthorrhyncha |url=http://www.flora.sa.gov.au/efsa/lucid/Hakea/Key/Australian%20Hakea%20species/media/Html/Hakeaorthorrhyncha.htm |website=Flora of South Australia |publisher=South Australian Government}}
8. ^{{FloraBase|name=Hakea orthorrhyncha|id=2192}}
{{Taxonbar|from=Q5640401}}

4 : Hakea|Eudicots of Western Australia|Taxa named by Ferdinand von Mueller|Plants described in 1868

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