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Vernalization (from Latin vernus 'of the spring') is the induction of a plant's flowering process by exposure to the prolonged cold of winter, or by an artificial equivalent. After vernalization, plants have acquired the ability to flower, but they may require additional seasonal cues or weeks of growth before they will actually do so.
Early- to mid-spring blooming hyacinths (Hyacinthus spp.) are available in shades of blue, pink, red, purple, and white. Sweet-scented and hardy in the same climate as snowdrops, they make a ...
The bank vole (Clethrionomys glareolus) is a small vole with red-brown fur and some grey patches, with a tail about half as long as its body. A rodent, it lives in woodland areas and is around 100 millimetres (3.9 in) in length. The bank vole is found in much of Europe and in northwestern Asia.
Eriophorum angustifolium is described as "a rather dull plant" in winter and spring, [9] but "simply breathtaking" in summer and autumn, [10] when 1–7 conspicuous inflorescences – composed of hundreds of white pappi comparable to cotton, [11] hair, [4] tassels, [9] and/or bristles [3] – stand out against naturally drab surroundings.
Northern red-backed voles live in a variety of northern forest and shrubland habitats. [2] [4] They occur in every major forest type in central Alaska. [5]Plant species commonly found in areas occupied by northern red-backed voles include black spruce (Picea mariana), white spruce (Picea glauca), quaking aspen (Populus tremuloides), paper birch (Betula papyrifera), alder (Alnus spp.), willow ...
The most convenient distinguishing feature of the Arvicolinae is the nature of their molar teeth, which have prismatic cusps in the shape of alternating triangles. These molars are an adaptation to a herbivorous diet in which the major food plants include a large proportion of abrasive materials such as phytoliths; the teeth get worn down by abrasion throughout the adult life of the animal and ...
The vegetable grows very well in mild or slightly cold climates, but will go quickly into premature flowering in warm summer conditions. Seeds are sown in early spring and fall. [citation needed] "The plant is rich in minerals and vitamins with potassium concentrations at 610 mg/100 g and carotene at 3.4 g/100 g in edible portions.
Eyes and ears open by eight days. Weaning occurs from 12 to 14 days. Young born in spring and early summer attain adult weight in 12 weeks, but undergo a fall weight loss. Young born in late summer continue growing through the fall and maintain their weight through the winter. Maximum size is reached between two and 10 months. [5] [9]