PNGAF MAGAZINE ISSUE # 9D4B1 of 31 May 2022. Why Certain Planation Species in PNG?

Page 7

Araucaria hunsteinii (Klinkii Pine) is a species of Araucaria native to the mountains of PNG. Araucaria hunsteinii (Klinkii ) mature leaf detail.Source Wikipedia. Araucaria hunsteinii (Klinkii) mature trunk detail. .Source Wikipedia.

Grey Klinkii cone and male flowers. Source N. Howcroft.

Superb stem of Araucaria hunsteinii green klinkii pine Bulolo. Photo credit Neville Howcroft. Sawing klinkii log. CNGT Bulolo 1970. Source New Horizons.

Klinkii is a very large evergreen tree (the tallest in New Guinea, and the tallest species in its family), growing to 50–80 metres (164–262 ft) tall, exceptionally to 90 metres (295 ft), with a trunk up to 3 metres (10 ft) diameter. The branches are horizontal, produced in whorls of five or six. The leaves are spirally arranged, scale-like or awl-like, 6–12 centimetres (2–5 in) long and 1.5–2 centimetres (5⁄8– 3 ⁄4 in) broad at the base, with a sharp tip; leaves on young trees are shorter (under 9 centimetres (4 in)) and narrower (under 1.5 centimetres (5⁄8 in)). It is usually monoecious with male and female cones on the same tree; the pollen cones are long and slender, up to 20 centimetres (8 in) long and 1 centimetre (3⁄8 in) broad; the seed cones are oval, up to 25 centimetres (10 in) long and 14–16 centimetres (5+1⁄2–6+1⁄4 in) broad. The seed cones disintegrate at maturity to release the numerous 3–4 centimetres (1–1+1⁄2 in) long nut-like seeds. 7


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PNGAF MAGAZINE ISSUE # 9D4B1 of 31 May 2022. Why Certain Planation Species in PNG? by rbmccarthy - Issuu