| 词条 | Eremaea blackwelliana |
| 释义 |
|image = Eremaea blackwelliana.jpg |image_caption = Eremaea blackwelliana growing near Northam |status = P4 |status_system = DECF |genus = Eremaea (plant) |species = blackwelliana |authority = Hnatiuk |synonyms = Melaleuca blackwelliana (Hnatiuk) Craven & R.D.Edwards }} Eremaea blackwelliana is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a shrub with soft, pointed, non-prickly leaves, orange flowers in spring and cup shaped to almost spherical woody fruits. Flowers appear singly on the ends of short side branches formed in the previous year. DescriptionEremaea blackwelliana is a shrub with spreading branches, growing to about {{convert|3|m|ft|sigfig=1}} high and wide. The leaves are {{convert|8.8-9.7|mm|in|sigfig=1}} long, {{convert|0.6-0.9|mm|in|sigfig=1}} wide, linear, pointed but not sharp and are thickened along the mid-line.[1][2]The flowers are orange-coloured and occur singly on the end of branches formed the previous year. The outer surface of the flower cup (the hypanthium) is densely hairy. There are 5 petals {{convert|3.2-4.5|mm|in|sigfig=1}} long. The stamens, which give the flower its colour, are arranged in 5 bundles, each containing 20 to 26 stamens. Flowering occurs from October to November and is followed by fruits which are woody capsules. The capsules are more or less cup-shaped to spherical, smooth and {{convert|7.5-8.1|mm|in|sigfig=2}} long.[1] Taxonomy and namingEremaea blackwelliana was first formally described in 1993 by Roger Hnatiuk in Nuytsia.[1][3] The specific epithet (blackwelliana) honours Marion Blackwell, a landscape designer who encouraged the cultivation of Australian native plants.[1]Distribution and habitatEremaea blackwelliana is found in the Avon district[1] in the Avon Wheatbelt and Jarrah Forest biogeographic regions.[2] It grows in sand in gently sloping depressions.[4]ConservationEremaea blackwelliana is listed as "Priority 4" by the Western Australian Government Department of Parks and Wildlife[2] meaning that it is rare or near threatened.[5]References1. ^1 2 3 4 {{cite journal|last1=Hnatiuk|first1=Roger J.|title=A revision of the genus Eremaea (Myrtaceae)|journal=Nuytsia|date=1998|volume=9|issue=2|pages=180–183|url=https://florabase.dpaw.wa.gov.au/science/nuytsia/202.pdf|accessdate=10 August 2015}} {{Taxonbar|from=Q15397006}}2. ^1 2 {{cite web|title=Eremaea blackwelliana |url=https://florabase.dpaw.wa.gov.au/browse/profile/13819|publisher=FloraBase|accessdate=10 August 2015}} 3. ^{{cite web|title=Eremaea blackwelliana|url=https://biodiversity.org.au/boa/instance/apni/568338|publisher=APNI|accessdate=10 August 2015}} 4. ^{{cite book|last1=Paczkowska|first1=Grazyna|last2=Chapman|first2=Alex R.|title=The Western Australian flora : a descriptive catalogue|date=2000|publisher=Wildflower Society of Western Australia|location=Perth|isbn=0646402439|page=362}} 5. ^{{cite web|title=Conservation codes for Western Australian flora and fauna|url=http://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/conservation_code_definitions.pdf|publisher=Western Australian Government Department of Parks and Wildlife|accessdate=10 August 2015}} 5 : Eremaea (plant)|Myrtales of Australia|Flora of Western Australia|Plants described in 1993|Endemic flora of Western Australia |
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