Phyllocladus trichomanoides
From Wikipedia, the free encyclopedia
| iPhyllocladus trichomanoides | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||||||
| Scientific classification | ||||||||||||||
|
||||||||||||||
|
|
||||||||||||||
| Phyllocladus trichomanoides |
Phyllocladus trichomanoides (Tanekaha) is a coniferous tree native to New Zealand.
Tanekaha is a medium-sized forest tree growing up to 20 m in height and 1 m trunk diameter. The main structural shoots are green for 2-3 years, then turn brown as the bark thickens. The leaves are sparse, tiny, scale-like, 2-3 mm long, and only green (photosynthetic) for a short time, soon turning brown.
Most photosynthesis is performed by highly modified, leaf-like short shoots called phylloclades; these are arranged alternately, 10-15 on a shoot, the individual phylloclades rhombic, 1.5-2.5 cm long. The seed cones are berry-like, with a fleshy white aril surrounding but not fully enclosing the single seed.
[edit] Economic uses
Like the Kauri, Tanekaha shed their lower branches, producing smooth staight trunks and knot-free timber which is sought after for its strength.
The bark is rich in tannin, from which Māori extracted a red dye.
[edit] References
- Conifer Specialist Group (1998). Phyllocladus trichomanoides. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006.
- Gymnosperm Database: Phyllocladus trichomanoides
