| 词条 | Leptospermum polygalifolium subsp. howense |
| 释义 |
| image = | genus = Leptospermum | species = polygalifolium | subspecies = howense | authority = Joy Thomps.[1] }}Leptospermum polygalifolium subsp. howense, commonly known as tea tree or tea-tree, is a flowering plant in the myrtle family, Myrtaceae. The subspecific epithet refers to the island to which the subspecies is endemic.[1] DescriptionIt is a rough-barked shrub or small spreading tree, growing to about 5 m, occasionally to 10 m. The narrowly elliptic to narrowly oblanceolate leaves are 5–8 mm long and 2–2.5 mm wide. The conspicuous white flowers, 15 mm across, appear from November to January. The fruits are woody, 6 mm diameter, domed, 5-valved capsules.[1][4] Distribution and habitatThe subspecies is endemic to Australia's subtropical Lord Howe Island in the Tasman Sea. It is a characteristic plant of the island's mountain peaks, sometimes occurring at lower elevations, in evergreen forest and shrubland.[1][2] References1. ^1 2 3 {{cite web |url= http://www.anbg.gov.au/abrs/online-resources/flora/stddisplay.xsql?pnid=52718 |title= Leptospermum polygalifolium subsp. howense |accessdate=2014-02-26|work=Flora of Australia Online: Data derived from Flora of Australia Volume 49 (1994) |first= |last= |publisher= Australian Biological Resources Study (ABRS) |date= }} {{Taxonbar|from=Q16754166}}{{Myrtales-stub}}2. ^1 {{cite book |title=The Australian Geographic Book of Lord Howe Island |author=Hutton, Ian |year=1998 |series= |publisher=Australian Geographic |location=Sydney |isbn=978-1-876276-27-0 |page=142|url= }} 5 : Leptospermum|Myrtales of Australia|Flora of Lord Howe Island|Plants described in 1989|Plant subspecies |
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