| 词条 | Alphitonia excelsa |
| 释义 |
|name = Alphitonia excelsa |image = Alphitonia excelsa HRBG 4 smaller.jpg |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Rosids |ordo = Rosales |familia = Rhamnaceae |genus = Alphitonia |species = A. excelsa |binomial = Alphitonia excelsa |binomial_authority = (Fenzl) Benth. }} Alphitonia excelsa, commonly known as the red ash or soap tree, is a species of tree in the Rhamnaceae family. It is endemic to Australia, being found in New South Wales, Queensland, Northern Territory and the northeastern tip of Western Australia. It is used in bush regeneration as a pioneer species and for amenity planting. Taxonomy and namingAlphitonia excelsa was first described by Eduard Fenzl and reclassified by George Bentham. One of 20 species of the genus Alphitonia in Australia and the Pacific Islands, its specific epithet is derived from the Latin excelsus 'tall'.[1] Other common names include Red Almond,[2] Silver Leaf,[2] Leatherjacket, White Leaf, White Myrtle, Sarsaparilla Tree, and Coopers Wood. DescriptionThis tree reaches a height of {{convert|7|-|25|m|ft}}, by {{convert|5|-|10|m|ft}} across.[3] The Red Ash has a spreading shade-producing habit when a larger tree with an overall greyish green appearance. The alternate leaves measure 5–14 cm (2–6 in) in length and 2–5 cm (1–2 in) wide and are dark glossy green above and silvery with fine hairs underneath, making an attractive contrast on windy days. The trunk and larger branches bear fissured grey bark, while smaller branches have smoother grey or white bark. It bears small greenish white flowers in late autumn and early winter, followed by globular dark fruit around 1.5 cm (0.5 in) in diameter,[4] which contain two seeds. When young shoots are bruised, they give off a typical odour of sarsaparilla.[5] The flowers are fragrant in the evening.[3] Distribution and habitatIt grows in eucalypt forests, eucalypt and acacia savannas, gallery forests and rainforests of NSW from Mount Gulaga (previously known as Mount Dromedary) northwards along the coast and inland to the Pilliga scrub, though Queensland and the Northern Territory and into the northwest of Western Australia.[6] Inland forms can be stunted in appearance. It prefers sandy soils. EcologyIt serves as a food plant for the caterpillars of the moonlight jewel (Hypochrysops delicia),[7] and the caterpillars of the small green-banded blue (Psychonotis caelius taygetus).[8] UsesTrees are quick growing in cultivation.[4] This is an Australian ornamental tree, with some specimens of high visual appeal.[4] It may be used in amenity planting as a street tree providing shelter.[2] It has also been used in boat-building and cabinet making, its tough timber a light red or brown in colour.[3][4] It can be a fodder plant for sheep and cattle, and is a useful pioneer species in bush regeneration.[9] References1. ^{{cite book|author = Simpson DP| title = Cassell's Latin Dictionary | publisher = Cassell Ltd.| year = 1979|edition = 5th|location = London|pages = 883| isbn=0-304-52257-0}} 2. ^1 2 de Beuzeville, p. 110 3. ^1 2 {{cite book |vauthors =Eliot RW, Jones DL, Blake T |title=Encyclopaedia of Australian Plants Suitable for Cultivation: Vol. 2|year=1985|page=176 |publisher=Lothian Press |location=Port Melbourne |isbn=0-85091-143-5}} 4. ^1 2 3 de Beuzeville, p. 125 5. ^{{cite web |url=http://www.cpbr.gov.au/gnp/gnp6/alph-exc.html |title=Growing Native Plants - Alphitonia excelsa |accessdate=2008-04-24 |author =ANBG staff |year=1976 |work=Australian National Botanic Gardens website |publisher=Australian National Botanic Gardens}} 6. ^{{cite web |url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Alphitonia~excelsa |title=Alphitonia excelsa (Fenzl) Benth. |accessdate=2008-04-24 |author =Harden GJ |year=1990 |work=Plantnet - New South Wales Flora Online |publisher=Royal Botanic Gardens, Sydney}} 7. ^{{cite book |title=The Complete Field Guide to Butterflies of Australia |last=Braby |first=Michael F.|year=2005 |publisher=CSIRO Publishing |location=Collingwood, Victoria |isbn=0-643-09027-4 |pages=226}} 8. ^{{cite book |title=A Field Guide to Australian Butterflies|last=Fisher |first=Robert|year=1995 |publisher=Surrey Beatty & Sons Pty Limited |location=Chipping Norton, New South Wales |isbn=0-949324-52-3 |pages=254}} 9. ^{{cite web|url=http://www.lhccrems.nsw.gov.au/CPR/CPR/plant_profiles/a.excelsa.htm |title=Coastal plant Regeneration:Red Ash - Alphitonia excelsa |accessdate=2008-04-24 |author =HCCREMS |year=2005 |work=Hunter and Central Coast Regional Management Strategy (HCCREMS) website |publisher=HCCREMS |deadurl=yes |archiveurl=https://web.archive.org/web/20060822075841/http://www.lhccrems.nsw.gov.au/CPR/CPR/plant_profiles/a.excelsa.htm |archivedate=August 22, 2006 }} cited text
External links{{Portal|Trees}}
8 : Alphitonia|Flora of New South Wales|Flora of Queensland|Flora of the Northern Territory|Rosids of Western Australia|Rosales of Australia|Trees of Australia|Ornamental trees |
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