European Larch (Larix decidua)_FNL_5098

Close-up of female flowers of European larch (Larix decidua) in our garden, Blakeney, Norfolk, UK.

Wishing a Happy Easter to all Flickr friends and members.

En souhaitant de Joyeuses Pâques à tous les amis et membres de Flickr.

L. decidua is a medium-size to large deciduous coniferous tree reaching 25-45 m tall, with a trunk up to 1 m diameter (exceptionally, to 55 m tall and 2 m diameter). The crown is conic when young, becoming broad with age; the main branches are level to upswept, with the side branches often pendulous. The shoots are dimorphic, with growth divided into long shoots (typically 10-50 cm long) and bearing several buds, and short shoots only 1-2 mm long with only a single bud. The leaves are needle-like, light green, 2-4 cm long which turn bright yellow before they fall in the autumn, leaving the pale yellow-buff shoots bare until the next spring.

The cones are erect, ovoid-conic, 2-6 cm long, with 30-70 erect or slightly incurved (not reflexed) seed scales; they are green variably flushed red when immature, turning brown and opening to release the seeds when mature, 4–6 months after pollination. The old cones commonly remain on the tree for many years, turning dull grey-black.

It is very cold tolerant, able to survive winter temperatures down to at least -50°C, and is among the tree line trees in the Alps, reaching 2400 m altitude, though most abundant from 1000-2000 m. It only grows on well-drained soils, avoiding waterlogged ground.

The seeds are an important food for some birds, notably Siskin, Lesser Redpoll and Citril Finch, while the buds and immature cones are eaten by Capercaillie. European Larch needles are the only known food for caterpillars of the case-bearer moth Coleophora sibiricella.

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Taken on: March 28, 2010

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European larch

Larix decidua

Norfolk

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Camera: Nikon D700, f/8.0, 1/250 sec, 60mm, ISO 200 (more info) (hide info)

Camera:	Nikon D700
Aperture:	f/8.0
Exposure Time:	0.004 sec (1/250)
Focal Length:	60mm
ISO:	200
Exposure Bias:	-2/3 EV
Flash:	No Flash
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Aperture 3.0.2
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