male flowers or catkins of Silver Birch (Betula pendula). Silver Birch, Betula pendula with male catkins in spring. Male catkins are 4-5cm long and yellow-brown in colour. Female catkins are smaller, short, bright green and erect. Masses of tiny seeds are borne in autumn – they have tiny ‘wings’ on each side of the seed to help them travel on the wind. The catkins of oak grow in rows like a curtain. No need to register, buy now! We want to make sure everyone in the UK has the chance to plant a tree. Timings in natural, seasonal events such as the arrival of migratory birds or leaves budding helps us understand the effects of climate change on wildlife. Isolated on white background. You can help us do it. Birch tree details - catkins, flowers, leaves and tree trunk. 294344) and in Scotland (No. On wind pollinated trees, most catkins are long and thin and hang down below the shoot. Autumn leaf identification quiz: can you identify these 10 trees? This project tracks the effects of weather and climate change on wildlife across the UK – its records date all the way back to 1736! 1982873. Each alder tree has both male and female flowers. Let’s take a look at which trees have catkins, why they grow and when you can see them. The Woodland Trust is a charity registered in England and Wales (No. The Woodland Trust and Woodland Trust Nature Detectives logos are registered trademarks. They can’t self-fertilise though. Spring birch buds isolated on a white background. https://www.alamy.com/stock-photo-birch-branch-with-catkins-isolated-on-white-87509463.html, https://www.alamy.com/young-leaves-of-silver-birch-tree-with-young-female-catkins-betula-pendula-in-spring-berkshire-june-image214855674.html, Male flowers or catkins of Silver Birch (Betula pendula), https://www.alamy.com/stock-photo-male-flowers-or-catkins-of-silver-birch-betula-pendula-82822486.html, Catkins on a silver birch (Betula pendula), Bavaria, Germany, https://www.alamy.com/stock-photo-catkins-on-a-silver-birch-betula-pendula-bavaria-germany-49397075.html, downy birch (Betula pubescens), male catkins, Germany, https://www.alamy.com/stock-photo-downy-birch-betula-pubescens-male-catkins-germany-58145140.html, Spring leaves and catkins of a silver birch Betula pendula, with the tree trunk and parkland blurred in the background, https://www.alamy.com/spring-leaves-and-catkins-of-a-silver-birch-betula-pendula-with-the-tree-trunk-and-parkland-blurred-in-the-background-image354105894.html, Birch leaves and male catkins (Betula sp.) Your Lightboxes will appear here when you have created some. Once this is pollinated, it turns into the brown alder fruit or ‘cone’ which houses the seeds. The female flowers become receptive just before the male flowers on the same tree shed pollen. The female flower is a smaller red structure, about 1cm long and with many hair-like structures across the surface. Some catkins, such as the pussy willow catkin, will be covered in fine hairs before the flowers bloom. The catkins which house the male flowers are up to 6cm long. The female flowers are a small vase-shaped bud with red filaments sticking out. Catkins are typically found hanging down from the branches of the tree or shrub, but may grow erect in some trees, such as the white birch. Registered in England No. The female flowers are tiny with fine filaments protruding to catch the pollen. Close up of Betula dahurica catkins , Birch. The flowers appear from April to May. Backlit Silver Birch Leaves and Catkins, (Betula pendula) in the golden Light of a Spring Evening. against blue sky, Belgium, https://www.alamy.com/stock-photo-birch-leaves-and-male-catkins-betula-sp-against-blue-sky-belgium-26276706.html, https://www.alamy.com/paper-birch-catkins-betula-papyrifera-image181576826.html, A dwarf birch, with female catkins. Silver birch catkins look like lambs' tails, Credit: Nature Photographers Limited / WTML. Have you ever stopped to notice the small and interesting flowers that grow on many of our UK trees? 228,594,234 stock photos, vectors and videos. Male catkins are 4-5cm long and yellow-brown in colour. These are found on Oak, Poplar, Birch, Alder, Hazel and Hornbeam but female Alder catkins are cone-like. We want to know when they appear to swell and release pollen – this is their first flowering date. Keep in touch with the nature you love without having to leave the house. Birch Trees. That’s why it’s important that we monitor events like this. In summer the birch is fully leafed out in her serrated ruffles potato chip like green foliage, photosynthesizing nutrients, exhaling the precious oxygen that we depend on. This happens when the seed is dispersed by the wind or by insects which play an important role in helping pollination happen. They hang in groups of two to four at the tips of shoots, like lambs' tails. Dorset. Birch sprig with catkin isolated on white. Male catkins are yellow, each around 6cm long and grow in rows, hanging down from the branch in a curtain. White down makes willow catkins appear fluffy. When they are several inches long and a purplish yellow hue, they shed pollen for three to five days. https://www.alamy.com/male-catkins-of-silver-birch-betula-pendula-with-developing-leaves-image368763095.html, https://www.alamy.com/stock-photo-betula-pendula-inflorescence-176058277.html, https://www.alamy.com/stock-photo-silver-birch-catkins-uk-48727944.html, SILVER BIRCH TREE BETULA PENDULA TRUNK AND BRANCHES IN WINTER WITH SILVER BARK AND BROWN CATKINS, https://www.alamy.com/stock-photo-silver-birch-tree-betula-pendula-trunk-and-branches-in-winter-with-175647933.html, https://www.alamy.com/birch-tree-details-catkins-flowers-leaves-and-tree-trunk-colorful-spring-summertime-image-was-taken-during-sunny-day-in-finland-image237776677.html, https://www.alamy.com/stock-photo-spring-birch-buds-isolated-on-a-white-background-102674820.html, https://www.alamy.com/stock-photo-birch-catkins-74426482.html, https://www.alamy.com/backlit-silver-birch-leaves-and-catkins-betula-pendula-in-the-golden-light-of-a-spring-evening-ludwell-valley-park-exeter-devon-uk-image346662548.html, https://www.alamy.com/birch-branch-with-catkins-isolated-on-white-image178016629.html, https://www.alamy.com/birch-tree-catkins-and-fresh-green-leaves-with-small-aphids-in-leaves-on-spring-evening-by-the-baltic-sea-in-helsini-finland-image241594597.html, https://www.alamy.com/silver-birch-betula-pendula-image61341653.html, downy birch (Betula pubescens), male inflorescence, catkins, Germany, https://www.alamy.com/stock-photo-downy-birch-betula-pubescens-male-inflorescence-catkins-germany-58147576.html, https://www.alamy.com/stock-photo-paper-birch-betula-papyrifera-catkins-in-spring-in-highland-creek-56265344.html, https://www.alamy.com/stock-photo-catkins-of-the-monarch-birch-betula-maximowicziana-betulaceae-japan-84812507.html, https://www.alamy.com/stock-photo-birch-catkins-84068958.html, https://www.alamy.com/stock-photo-catkins-birch-betula-56241426.html, https://www.alamy.com/stock-photo-male-flowers-or-catkins-of-silver-birch-betula-pendula-121949276.html, https://www.alamy.com/stock-photo-european-white-birch-silver-birch-ament-catkin-hnge-birke-sand-birke-59984450.html, https://www.alamy.com/stock-photo-birch-branch-with-male-catkins-betula-117597787.html. Ludwell Valley Park, Exeter, Devon, UK. Registered office: Kempton Way, Grantham, Lincolnshire, NG31 6LL. The birch flowers, arranged in long clusters known as catkins, appear from April through June with the fruit maturing in the fall. They hang in groups of two to four at the tips of shoots, like lambs' tails. This is the classic birch tree use by Native Americans to make many useful products from footware to their famous birch-bark canoes. The male catkins are formed in the autumn and will remain on the tree all winter – only opening in April or May. https://www.alamy.com/close-up-of-betula-dahurica-catkins-birch-tree-april-image68152508.html, Paper Birch, Betula papyrifera, catkins in spring in Highland Creek ravine in Toronto Ontario Canada, https://www.alamy.com/stock-photo-paper-birch-betula-papyrifera-catkins-in-spring-in-highland-creek-56265250.html. Himalayan birch tree catkins, https://www.alamy.com/stock-photo-betula-utilis-jacquemontii-jermyn-himalayan-birch-tree-catkins-29151301.html, https://www.alamy.com/stock-photo-studio-photograph-of-flowerscatkins-of-a-birch-betula-tree-56045754.html, https://www.alamy.com/foliage-and-male-catkins-of-the-uk-native-silver-birch-tree-betula-pendula-on-a-black-background-image360554312.html, Silver Birch; Betula pendula; with catkins; spring, https://www.alamy.com/stock-photo-silver-birch-betula-pendula-with-catkins-spring-30185594.html, Spring twigs of birch with young green leaves and catkins. They tend to flower during spring, but it depends on the weather. It's an A-Z tree guide in your pocket. Birch trees … Silver birch is also monoecious. Germany, https://www.alamy.com/silver-birch-european-birch-betula-pendula-catkins-and-fresh-leaves-on-a-twig-germany-image255410817.html, European White Birch, Silver Birch, ament, catkin, Hänge-Birke, Sand-Birke, Birke, Hängebirke, Blüten, Kätzchen, Betula pendula, https://www.alamy.com/stock-photo-european-white-birch-silver-birch-ament-catkin-hnge-birke-sand-birke-59986688.html, https://www.alamy.com/downy-birch-betula-pubescens-catkins-image63862650.html.