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Rimu Dacrydium cupressinum
Dacrydium cupressinum (cypress like)
Other names : Rimu Red Pine, huarangi (the fruits)
Tree up to 35m rarely to 50m. trunk to 1.5m. or more in diameter. Bark dark brown, falling in thick flakes. Wood dark red and hard. Juvenile leaves 4-7mm 0.5-1mm wide. Adult leaves 2-3mm long, rigid. Dioecious. Fruit an ovoid nut 2mm long, seated on a red, fleshy receptacle.
The most widely occurring of all native forest trees. Prominent in many types of forest from North Cape to
Rimu produces, after kauri,
Every 3 or 4 years a bulk setting of seed occurs (called mast years). This could be due to environmental factors such as cool temperatures 2 years previous to seed fall when the seed is being set, plus warm temperatures in the summer of seed fall. The reproductive efficiencies assosciated with synchronising male and female reproductive effort on trees some distance from each other, may favour masting in this dioecious species. Seedfall is from mid-March to the end of April. There is often a high rate of empty or undeveloped seed. The seed is adapted well to bird dispersal which occurs from April to June. The base of the seed is joined to a sweet tasting fleshy receptacle which is swallowed along with the seed and passes through the gut, being excreted some distance from the parent tree. Birds which have been observed eating Rimu berries include: Tui, Bellbird, Whiteheads, Kereru, blackbirds, starlings and thrushes.
The Rimu is one of the most graceful trees of the country. The wood is tough and brittle: the grain very beautiful when polished and will be much admired by future connoisseurs in ornamental woods
I recommend the following books on New Zealand native plants