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The common name alder evolved from the Old English word alor, which in turn is derived from Proto-Germanic root aliso. The generic name Alnus is the equivalent Latin name, from whence French aulne and Spanish Alamo (Spanish term for "poplar"). Ecology. Alders are commonly found near streams, rivers, and wetlands.
Alnus glutinosa, the common alder, black alder, European alder, European black alder, or just alder, is a species of tree in the family Betulaceae, native to most of Europe, southwest Asia and northern Africa. It thrives in wet locations where its association with the bacterium Frankia alni enables it to grow in poor quality soils.
The alder, a shrub or tree of the birch family has special implications in Celtic tradition. The alder usually grows in wet ground, with small, pendulous catkins. Alders are especially associated with Bran; at Cad Goddeu, 'The Battle of the Trees', Gwydion guessed Bran's name from the alder twigs in his hand.
Frangula alnus, commonly known as alder buckthorn, glossy buckthorn, or breaking buckthorn, is a tall deciduous shrub in the family Rhamnaceae. Unlike other "buckthorns", alder buckthorn does not have thorns. It is native to Europe, northernmost Africa, and western Asia, from Ireland and Great Britain north to the 68th parallel in Scandinavia ...
Alnus nervosus Dippel. Alnus cordata, the Italian alder, [1] [2] is a tree or shrub species belonging to the family Betulaceae, and native to the southern Apennine Mountains ( Campania, Basilicata and Calabria, mainly on western mountain sides) and the north-eastern mountains of Corsica. [3] It has been introduced in Sicily, Sardinia, and more ...
Alnus incana var. tenuifolia male flowers in early spring along the Columbia River. It is a small- to medium-sized tree 15–20 metres (49–66 ft) tall with smooth grey bark even in old age, its life span being a maximum of 60 to 100 years. The leaves are matte green, ovoid, 5–11 centimetres (2– in) long and 4–8 cm ( – in) broad.
Alnus rubra is the largest species of alder in North America and one of the largest in the world, reaching heights of 20 to 30 metres (66 to 98 ft). The official tallest red alder (as of 1979) stands 32 m (105 ft) tall in Clatsop County, Oregon (US). [7] The trunks range from 25 to 50 centimetres (10 to in) in diameter. [8]
About 10–11; see text. Larches are deciduous conifers in the genus Larix, of the family Pinaceae (subfamily Laricoideae ). Growing from 20 to 45 metres (65 to 150 feet) tall, [1] they are native to the cooler regions of the northern hemisphere, where they are found in lowland forests in the high latitudes, and high in mountains further south.