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Alder (Alnus glutinosa) is one of the commonest trees found in wetlands. It provides food for good numbers of finches during most winters. Here, it is spring, and fresh green leaves accompany the female catkins / cones (strobili). Strobili are cones, one cone is a strobilus.
Close-up of closed black alder (Alnus glutinosa) flowers hanging from a tree in autumn. The background is green.
Speckled alders spread their seed through cone-like structures.
Grey alder (Alnus incana subsp. incana) with cones. Macugnaga. Verbano-cusio-ossola. Piedmont. Italy.
A branch of alder leaves, catkins and cones and  green cones. Branch of Alnus glutinosa, the common alder, black alder in spring.
Catkins on a Paper Birch tree in Springtime.
Walnut flowers are in the botanical garden, North China
Catkins and beech nuts on a beech tree in autumn at Fowlmere nature reserve.
Male Hazel catkins in the spring
Tree blooming in early spring. Tree buds.
Cones and twig green leaves of a Red Alder (Alnus rubra), copy space, blurred background
Hazel (Corylus avellana) männliche Catkins
common alder. male inflorescence at blue sky background. Alder branch in early spring.
Sunset shining trough hazel seed and forming sunbeams
Alnus glutinous inflorescence close up
Deciduous tree to 25m, with smooth silvery-gray bark striped with brown; trunk fluted. Leaves oval, pointed, somewhat pleated, sharply toothed, hairy on veins beneath. Catkins greenish to 5cm, with the leaves. Fruit in pendant clusters, surrounded by 3-lobed bracts; nuts small.\nFlowering Season: April-May.\nHabitat: Woods, hedgerows and scrub, occasionally pollarded, mostly in low altitudes.\nDistribution: S. Britain and Europe, north to S Sweden.\n\nThis Picture is made during a Long Weekend in the South of Belgium in June 2019.
The young yellow-green blooming long catkins on alder tree (Alnus) branches in early spring season
Chinese prickly ash tree
Small branch of black alder Alnus glutinosa with male catkins and female red flowers. Blooming alder in spring beautiful natural background with clear earrings and blurred background.
Winter: Mature male catkins ( ament)of a hazel tree hanging in a sunny and cold envoirment.
Corylus avellana, common hazel male catkins on twig closeup selective focus
These are the male catkins (aments) dangling from the branches of an Italian alder tree (Alnus cordata), isolated against a bright sky. Italian alder is native to Corsica, Southern Italy and Western Asia. Its wood is very rot resistant under water, and may underpin the houses and bridges of Venice. In the UK, it is commonly planted on roadsides (as here), because it grows quickly and is dust-resistant. Close up of male catkins and leaf.
Blooming walnut tree in spring
Hazelnut blossoms (Corylus avellana)
Alder cones on a branch. Alder cones and earrings. Alder cones.
Spring blooms
Alder with catkins. Beautiful natural colorful background with tree and branches.  (corylus avellana)
Close up of winter tree
A close-up view of catkins of the alder tree during the early springtime season under bright sunlight
Fresh and organic mulberry fruits
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