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S. arctica is typically a low shrub growing to only 15 centimetres (6 inches) in height, rarely to 25 cm (10 in), although it may reach 50 cm (20 in) in height in the Pacific Northwest. [4] It has round, shiny green leaves 1–4 cm ( 1 ⁄ 2 – 1 + 1 ⁄ 2 in) long and 6 cm ( 2 + 1 ⁄ 4 in) broad; they are pubescent, with long, silky, silvery ...
Arctic vegetation is largely controlled by the mean temperature in July, the warmest month. Arctic vegetation occurs in the tundra climate, where trees cannot grow.Tundra climate has two boundaries: the snow line, where permanent year-round snow and ice are on the ground, and the tree line, where the climate becomes warm enough for trees to grow. [7]
Salix arctica; Salix herbacea; Salix lanata; Salix polaris; Saxifraga cernua; Saxifraga cespitosa; Saxifraga flagellaris; Saxifraga oppositifolia; Saxifraga rivularis; Schistidium poeltii; Silene acaulis; Sphagnum fimbriatum; Sphagnum squarrosum; Sphagnum wulfianum; The Structure and Biology of Arctic Flowering Plants; Flora of Svalbard
Salix acutifolia Willd. – violet willow; Salix aegyptiaca L. Salix aeruginosa E.Carranza; Salix alatavica Kar. ex Stschegl. Salix alaxensis (Andersson) Coville – Alaska willow; Salix alba L. – white willow; Salix alexii-skvortzovii A.P.Khokhr. Salix alpina Scop. – alpine willow; Salix amplexicaulis Bory & Chaub. Salix amygdaloides ...
LG = language: (L)atin or (G)reek L = derived from Latin, or both Classical Latin and Greek (unless otherwise noted) G = derived from Greek H = listed by Harrison, and (except as noted) by Bayton
Biological taxonomy is not fixed, and opinions about the correct status of taxa at all levels, and their correct placement, are constantly revised as a result of new research. Many aspects of classification remain a matter of scientific judgment. The ITIS database is updated to take account of new research as it becomes available. [citation needed]
In the Cronquist system, the Salicaceae were assigned to their own order, Salicales, and contained three genera, Salix, Populus, and Chosenia (now a synonym of Salix). Recognized to be closely related to the Violaceae and Passifloraceae, the family is placed by the APG in the order Malpighiales.
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