Draft:Pseudopanax colensoi
 | It has been suggested that this page be merged into Neopanax colensoi. (Discuss) Proposed since August 2024. |
| Submission declined on 8 July 2024 by Robert McClenon (talk). Thank you for your submission, but the subject of this article already exists in Wikipedia. You can find it and improve it at Neopanax colensoi instead. There is already an article on Neopanax colensoi, and a redirect from Pseudopanax colensoi to Neopanax colensoi. Also, the taxobox in this draft lists the genus as Neopanax. Please check what reliable sources say is the accepted binomial name of this species.
This draft is much more complete than the existing article. The article should be expanded, after the nomenclature issue is addressed.
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| Pseudopanax colensoi | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Apiales |
| Family: | Araliaceae |
| Genus: | Neopanax |
| Species: | N. colensoi
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| Binomial name | |
| Neopanax colensoi | |
| Synonyms[2] | |
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Neopanax colensoi, commonly known as the Mountain Fivefinger in English and Orihou in Māori, is an endemic species to New Zealand. It is a shrub that can often grow into a small canopy tree, and is found in high altitude environments in its preferred areas around New Zealand.
Description
[edit]Neopanax colensoi is a shrub that can often grow into a small canopy tree that has big glossy yellowish green leaves with purplish stalks [3]. Each leaflet measures 12-25 cm long and around 5-10 cm wide or more[3]. Each leaf has five to seven leaflets [3]. The leaves are toothed/serrated along their edges [4]. With large spreading branches and compound petiole leaves, Neopanax colensoi can grow up to around 8 meters tall [4]. The growth form of a Neopanax colensoi is a shrub and can often grow into small canopy trees, other species of Neopanax can be shrubs used in some landscaping. Some people prune the roots of the plants but to prune the roots of a Neopanax colensoi would dramatically affect how much they grow [5]. A cluster of whiteish-green flowers grow in clusters of 10-15 that look like little umbrellas. The clusters grow into bigger clusters on the purplish stalks of the plant as they grow [4]. The flowers then produce fruit that is either all male or all females. Female fruit is much darker in colour and less than 1 cm in diameter [4].
Range
[edit]Natural global range
[edit]Neopanax colensoi is endemic to New Zealand. Between the years 2004–2017, Neopanax colensoi has not been a threatened species [6]. There are currently three subspecific taxa in New Zealand for Neopanax colensoi [7]. Neopanax colensoi naturally occurs around New Zealand. Throughout the Nelson and Marlborough region the Neopanax colensoi occurs from sea level up to over 1,200 m above sea level [8]. Neopanax colensoi is a common species that does extremely well in New Zealand’s various climates.
New Zealand range
[edit]Neopanax colensoi is a common species in New Zealand and is found all over the country but more commonly in some specific areas. There are Neopanax colensoi populations located throughout New Zealand, particularly in and around the Otago, Dunedin area on the east coast of the South Island and south of Banks Peninsula in Canterbury. It is occasionally found in the North Island along the Coromandel Range [6]. Neopanax colensoi var. colensoi is seemingly absent from the West Coast of the South Island [6].
Habitat
[edit]Neopanax colensoi has certain preferred habitats. Neopanax colensoi var. colensoi is found in mountainous areas between 300 and 800 meters above sea level and low alpine forests and scrubland [6], while other varieties like ternatus can grown at higher elevations. When one species is taken away from a populated area of Neopanax colensoi it is quickly replaced with most commonly another from the same family [8]. Neopanax colensoi likes to live in areas that are away from water but in an area with nutrient rich soils. Different species of Neopanax do well in different habitats. Some do well in poor soil conditions, dry shaded areas, with a divaricating habitat. Others are used in gardens as decorative plants taking up little room. Some Neopanax do well in nurseries for vegetation cover [9].
Ecology
[edit]Life cycle/Phenology
[edit]The most common form of plant dispersal is through either wind, water, or animals. Different plants disperse their seeds further away from it or drop their seeds onto an animal so it can move around and give the seeds a better survival chance. For Neopanax colensoi the phenology of germination for the seed is very important. The seed needs the soil to be at a cold temperature and a little bit damp for 1–3 months which gives the seed a better germination rate which occurs within those 1–3 months [10]. Neopanax colensoi seeds take around 6 months to germinate because it needs the correct temperatures [10]. Most species of Neopanax have their fruit ripen between January and April in the summer to autumn months [10]. The seeds of Neopanax colensoi do not have good storage capacity [10]. The Neopanax colensoi flowers and fruits between October and March. Neopanax colensoi produce flowers that are a creamy greenish colour [6]. When the fruit is ripe, it turns a dark purple colour, and there are only two seeds per fruit [6]. The average life span of a Neopanax species is around 15–20 years [5].
Diet and foraging
[edit]Neopanax colensoi and other Neopanax species can handle a wide range of different soil types but it most commonly likes and gets planted in soils that have poor structure. This is because they help with erosion control in areas that have poorly structured soil [11]. Different species like a different amount of water; some Neopanax species like dry soils and others tolerate wet soils. Neopanax colensoi doesn’t mind either wet soils or dry soils as long as the environmental conditions are right [11]. Neopanax colensoi seedlings need certain soil mixes to germinate, which can be either potting mixes, pricking out mixes, rooting mixes, seed sowing mixes and soil [10]. Adding materials such as bark, peat, sawdust, perlite, pumice, vermiculite, sand, and grit to the soil can provide nutrients and improve the chances of survival in a Neopanax colensoi plant.
Predators, Parasites, and Diseases
[edit]Neopanax colensoi is a fast-growing native plant that attracts a wide range of different birds which eat its fruit during October and March [11]. There are many diseases, parasites and predators that can harm any native species and have many devastating impacts. Some examples of different fungi that affect Neopanax colensoi are phytophthora, pythium, grey mould, root rot and rhizoctonia [10]. Neopanax colensoi seedlings and mature trees are highly vulnerable to the damaging effects of various types of fungi. Unfortunately, once these fungi have infected the Neopanax colensoi, it can be difficult to salvage the plant and get it back to a healthy state. In this case, the only option is to remove the entire plant to prevent the fungi from spreading and causing further harm to other species around it [10]. Leaf spots on young Neopanax colensoi seedlings can be a significant issue in certain regions around New Zealand, infecting the leaves and harming seedlings and fully grown plants [10]. Possums, aphids, mice, slugs, snails, woodlice, caterpillars, and grubs are some pests that can cause harm to Neopanax colensoi [10]. Possums pose a significant threat to native plants due to their destructive nature and potential to spread diseases. Their destructive nature causes them to tear up Neopanax colensoi trees and can cause serious harm to Neopanax colensoi when it comes to growth and the overall health of the Neopanax colensoi plant. Neopanax colensoi have a common predator like many other plants, the red deer (Cervus elaphus) [12]. Deer particularly sought after different varieties of Neopanax colensoi [12]. Deer strip all the bark off Neopanax colensoi, affecting its strength and causing it to become brittle and break [12]. Most Neopanax colensoi become leafless and die but those over 40cm often remain untouched by red deer [12]. Neopanax colensoi lives in areas that vary depending on rainfall, sunlight, oceanic climate, wind, and snow. In these varied climates, there is a huge range of predators that can affect Neopanax colensoi. In different areas some predators that would disturb Neopanax colensoi would be common predators such as possums, rats, wasps, wild goats, hedgehogs, and ants (Animal pests and threats A-Z). These pests cause great disturbance to the Neopanax colensoi and the ecosystems that they live in.
Interesting Facts
[edit]An interesting fact is that Neopanax colensoi is commonly known as the mountain fivefinger because it looks like a hand since it has five leaves. The middle leaf of the Neopanax colensoi is the longest, resembling an index finger, and the leaves get smaller from there resembling the thumb and pinky finger on the human hand.
References
[edit]- ^ Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group. (2018). "Neopanax colensoi". IUCN Red List of Threatened Species. 2018: e.T135793090A135793092. doi:10.2305/IUCN.UK.2018-2.RLTS.T135793090A135793092.en. Retrieved 13 May 2023.
- ^ a b Neopanax colensoi (Hook.f.) Allan. Plants of the World Online. Retrieved 12 May 2023.
- ^ a b c Foster, T (2012). Te Whakapapa o nga Rakau: Interpreting the Special Features of Native Plants. Plant Heritage New Zealand. pp. 7–207.
- ^ a b c d Lehnebach & Meudt, C & H (2022). Native Plants of Aotearoa. Te Papa Te Taiao Nature Series, Wellington: Te Papa Press.
- ^ a b Going Native (2004). Going Native Making use of New Zealand Plants. Christchurch: University of Canterbury.
- ^ a b c d e f NZPCN, New Zealand Plant Conservation Network. "Peseudopanax colensoi var. colensoi". New Zealand Plant Conservation Network.
- ^ "Pseudopanax colensoi". NZ Flora.
- ^ a b Wardle, P (1968). "The taxonomy and distribution of the stipulate species of pseudopanax in New Zealand". New Zealand Journal of Botany. 6 (2): 226–236. doi:10.1080/0028825X.1968.10429060.
- ^ Cave & Paddison, Y & V (1999). The Gardener's Encyclopaedia of New Zealand Native Plants. Auckland: Random House New Zealand.
- ^ a b c d e f g h i Metcalf, L (2007). The Propagation of New Zealand Native Plants. Auckland: Random House New Zealand.
- ^ a b c Crowe, A (2004). Which Native Plant can I grow here. Auckland: Penguin Group.
- ^ a b c d Mark & Baylis, A.F & G.T.S (1982). Further Studies On The Impact Of Deer On Secretary Island, Fiordland, New Zealand. Dunedin: Botany Department University of Otago.
