| 词条 | Metrosideros colensoi |
| 释义 |
|name = Colenso's rātā |image = Metrosideros colensoi 11.JPG |image_caption = Colenso's rātā flowering in Carter Scenic Reserve, Carterton, New Zealand |genus = Metrosideros |species = colensoi |authority = Hook.f. |synonyms = Nania colensoi (Hook.f.) Kuntze Metrosideros pendens Colenso. Metrosideros colensoi var. colensoi Hook.f. Metrosideros colensoi var. pendens }} Metrosideros colensoi, the climbing rata or Colenso's rātā, is a forest liane or vine that is endemic to New Zealand. It is one of a number of New Zealand Metrosideros species which live out their lives as vines, unlike the northern rata (M.robusta), which generally begins as a hemi-epiphyte before growing into a huge tree. It grows to around 6 metres in height and bears clusters of pink or white flowers. It is unusual amongst New Zealand's metrosideros species in that its branches display a weeping habit, forming a 'hanging curtain' appearance. This behaviour is uncommon in New Zealand native plants. The name commemorates William Colenso, an early Cornish Christian missionary who was one of the great characters of New Zealand botany. DescriptionThe flowers of Colenso's rātā are either white or pale pink, and flowering is usually from November until January. Foliage is a dark green colour, with new years growth appearing in a contrasting lighter green. It is usual to find the vine form of rātā climbing up other forest trees, however Colenso's rātā is also partial to limestone cliff faces where it can climb cliffs relatively undisturbed. It is found within lowland forest as far south as Greymouth and Kaikoura. ConservationAs of 2012, Metrosideros colensoi is not regarded as threatened.[1] CultivationMetrosideros colensoi is a notable plant in cultivation, but considerably undervalued. However, it is in several ways superior to more commonly grown species, such as Metrosideros carminea, on account of the ordered appearance of its growth form, and the 'movement' conveyed by its downward arching branches.[2] See also
References1. ^{{cite web|title=Metrosideros colensoi|url=http://nzpcn.org.nz/flora_details.aspx?ID=981|publisher=NZ Plant Conservation Network|accessdate=8 March 2014}} 2. ^{{cite web|title=Metrosideros|url=http://www.o2landscapes.com/pages/pp-metrosideros.php|publisher=O2 Landscapes|accessdate=8 March 2014}} Further reading
External links{{New Zealand Metrosideros Species}}{{Taxonbar|from=Q15372333}} 4 : Metrosideros|Endemic flora of New Zealand|Trees of New Zealand|Garden plants of New Zealand |
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