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This page covers the conifers (class Pinopsida). For the background to this list see parent article List of the vascular plants of Britain and Ireland. All are part of the order Pinales. Status key: * indicates an introduced species and e indicates an extinct species.
Conifers account for around one half (51%) of the UK woodland area, although this proportion varies from around one quarter (26%) in England to around three quarters (74%) in Scotland. [8] Britain's native tree flora comprises 32 species, of which 29 are broadleaves. The UK's industry and populace uses at least 50 million tonnes of timber a year.
The data used to produce the maps is gathered by volunteer biological recorders and collated by the BRC Recording Schemes. The atlases fall into two groups: Main Atlases are commercially published books, presenting the current state of knowledge for well-recorded groups. They typically include text information about the species, and other ...
Most conifers are monoecious, but some are subdioecious or dioecious; all are wind-pollinated. Conifer seeds develop inside a protective cone called a strobilus. The cones take from four months to three years to reach maturity, and vary in size from 2 to 600 millimetres (1 ⁄ 8 to 23 + 5 ⁄ 8 in) long.
[4] [5] Bedgebury Pinetum: Kent: 320 Bedgebury Pinetum has the largest collection of Conifers in the world. It was started in the 1840s and experienced expansion under the control of the Forestry Commission and Kew Gardens from 1925. The Commission took sole ownership of the Pinetum in 1965. [6] [7] Bernwood Forest: Oxfordshire: 136
[4] The Royal Botanic Gardens at Kew and the Forestry Commission established the site as The National Pinetum in a joint venture in 1924, as the National Conifer Collection, because air pollution was rendering London unsuitable for growing conifers. A site at the southern end of Bedgebury Park was chosen, centred on Marshall's Lake and a stream ...
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The great majority of conifer genera and species are evergreen, retaining their leaves for several (2–40) years before falling, but unusual deciduous conifers occur in five genera (Larix, Pseudolarix, Glyptostrobus, Metasequoia and Taxodium), shedding their leaves in autumn and leafless through the winter.