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Alnus serrulata is a large shrub or small tree that may grow up to 2.5–4 m (8.2–13.1 ft) high and 15 cm (5.9 in) in diameter. The scientific name originates from alnus which is an old name for alder; serrulata points to the finely-toothed leaf margins which it possesses. It takes about 10 yrs to mature.
Female alder catkins after shedding their seeds Alnus serrulata male catkins. Alders are trees of the genus Alnus in the birch family Betulaceae.The genus includes about 35 species [2] of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few species extending into Central America, as well as the northern and southern Andes.
Foliage and inflorescence, subsp. crispa It is a large shrub or small tree3–12 metres (10– 39 + 1 ⁄ 2 ft) tall with smooth grey bark even in old age. The leaves are shiny green with light green undersurfaces, ovoid, 3–8 centimetres (1 + 1 ⁄ 4 – 3 + 1 ⁄ 4 in) long and 2–6 cm broad.
common alder; hazel alder; tag alder; smooth alder Betulaceae (birch family) Alnus sinuata: Sitka alder Betulaceae (birch family) Alnus subcordata: Caucasian alder Betulaceae (birch family) Alnus tenuifolia: mountain alder; thin-leaf alder Betulaceae (birch family) Betula: birches; Betula × caerulea: blue birch; blueleaf birch Betulaceae ...
1. Japanese Holly. Japanese holly has pretty, rounded leaves and a dense form that make it an attractive foundation planting. It has tiny white flowers in spring followed by small, non-descript ...
Their typical flowers are catkins and often appear before leaves. In the past, the family was often divided into two families, Betulaceae ( Alnus , Betula ) and Corylaceae (the rest). Recent treatments, including the Angiosperm Phylogeny Group , have described these two groups as subfamilies within an expanded Betulaceae: Betuloideae and ...
Cercocarpus montanus is a North American species of shrub or small tree in the family Rosaceae native to northern Mexico and the western United States. It is known by the common names alder-leaf mountain-mahogany, alder-leaf cercocarpus, and true mountain-mahogany. [2] [5] The variety argenteus is commonly known as silverleaf mountain-mahogany. [2]
Too much nitrogen fertilizer encourages shoot and leaf development at the expense of flowering. Likewise, too much or too little water can impact flowering, and summer drought can lead to bud drop.