Duncan Mcewan / Japanese larch {Larix kaempferi} mature cone and female inflorescences, Scotland

Wild Wonders of Europe / Relanzón / Close-up of Canary pine (Pinus canariensis) cone, Caldera de Taburiente National Park, La Palma, Canary Islands, Spain, March 2009

Adrian Davies / Japanese larch (Larix kaempferi) cones on branch, UK, October

Jouan Rius / Bristlecone pine (Pinus aristata), Bryce Canyon National Park, Utah, USA December 2012

Roland Seitre / Araucaria (Araucaria sp) trees near the entrance to Parc Provincial de la Rivire Bleue / Blue River Provincial Park, Yate, South Province, New Caledonia.

Roland Seitre / Araucaria (Araucaria sp) trees near the entrance to Parc Provincial de la Rivire Bleue / Blue River Provincial Park, Yate, South Province, New Caledonia.

Cheryl-Samantha Owen / Western red cedar tree (Thuja plicata) deemed Canada's 'Gnarliest tree' in the old growth forest. Avatar Grove, Vancouver Island, British Columbia, Canada, July.

Daniel Heuclin / Rule araucaria tree (Araucaria rulei), New Caledonia, endemic and endangered.

Daniel Heuclin / Rule araucaria trees (Araucaria rulei), New Caledonia, endemic and endangered.

Juan Carlos Munoz / Great Basin Bristlecone Pine (Pinus longaeva) ancient tree, Inyo National forest, White Mountains, California, USA.

Alex Hyde / Yew berry (Taxus baccata), Nottinghamshire, UK. October.

Geoff Simpson / European larch tree {Larix decidua} cones on branch, UK