Phyllocladus toatoa

Phyllocladaceae Phyllocladus toatoa Molloy

Etymology
Phyllocladus refers to ‘leaf branch’; indicating its foliage are phylloclades (branches that took over leaf function).
toatoa refers to the Maori name for this species.

Colloquial Name
Toatoa, Blue celery pine

Distribution

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TDWG Codes
5, 51, NZN

Habitat
The natural habitats for Phyllocladus toatoa are temperate forests. It is naturally found at an elevation of at least 1 up to 600 metres. Other conifers associated with Phyllocladus toatoa are:

USDA Hardiness zone – 10
Phyllocladus toatoa is hardy to USDA Zone 10 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -1.1C (30F) to 4.4C (40F).

Species Continuity
The population trend for Phyllocladus toatoa is increasing. There are ongoing threats for Phyllocladus toatoa and they are listed as follows:

• 1 Habitat Loss & Degradation
  • 1.1 Agriculture & Forestry
• 2 Overexploitation & Resource Use
  • 2.1 Logging & Wood Harvesting

IUCN Category – LC
According to the IUCN Red List, Phyllocladus toatoa has been assigned the status of LC(Least Concern). This means that according to the Red List criteria, this species is not qualified as threatened.

Superordinate Taxa
The nearest superordinate taxon for Phyllocladus toatoa is Phyllocladus. The coordinate taxa for Phyllocladus toatoa are therefore:

Phyllocladus toatoa is also placed under Phyllocladaceae. As Phyllocladus is the sole genus under Phyllocladaceae, this family is a monophyletic family. Phyllocladaceae is found in Maritime Southeast Asia, Tasmania and New Zealand.