Micranthes Nivalis
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''Micranthes nivalis'' is a plant species in the
saxifrage family Saxifragaceae is a family of herbaceous perennial flowering plants, within the core eudicot order Saxifragales. The taxonomy of the family has been greatly revised and the scope much reduced in the era of molecular phylogenetic analysis. The fa ...
. It is commonly called snow saxifrage or (ambiguously) alpine saxifrage. ''Micranthes nivalis'' is a
perennial plant A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
which grows on damp, shady, base-rich rocks and cliffs where it normally occurs in crevices and on ledges in locations where it cannot be crowded out by competing plants. In Britain the highest altitudes are recorded in Scotland, from at Quiraing in the
Western Isles The Outer Hebrides () or Western Isles ( gd, Na h-Eileanan Siar or or ("islands of the strangers"); sco, Waster Isles), sometimes known as the Long Isle/Long Island ( gd, An t-Eilean Fada, links=no), is an island chain off the west coast ...
,to on
Ben Lawers Ben Lawers ( gd, Beinn Labhair) is the highest mountain in the Breadalbane region of the Scottish Highlands. It lies north of Loch Tay and is the highest peak of the 'Ben Lawers group', a ridge that includes six other Munros: Beinn Ghlas, Meal ...
in
Perth & Kinross Perth and Kinross ( sco, Pairth an Kinross; gd, Peairt agus Ceann Rois) is one of the 32 council areas of Scotland and a Lieutenancy Area. It borders onto the Aberdeenshire, Angus, Argyll and Bute, Clackmannanshire, Dundee, Fife, Highland a ...
. However it has been claimed as high as in the
Cairngorms The Cairngorms ( gd, Am Monadh Ruadh) are a mountain range in the eastern Highlands of Scotland closely associated with the mountain Cairn Gorm. The Cairngorms became part of Scotland's second national park (the Cairngorms National Park) on 1 S ...
. It grows to a height of with a leafless, hairy stalk. The flower is greenish white turning reddish as it ages with 5 petals and 5 sepals. The leathery, greyish green,
rhomboid Traditionally, in two-dimensional geometry, a rhomboid is a parallelogram in which adjacent sides are of unequal lengths and angles are non-right angled. A parallelogram with sides of equal length (equilateral) is a rhombus but not a rhomboi ...
al leaves make up a rosette at the base of the stem and lie close to the soil surface, and are only sparsely haired. The Latin specific epithet ''nivalis'' means "as white as snow', or "growing near snow". This species is also found in
Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the ...
,
Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...
, Svalbard, northern
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,
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...
,
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,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
,
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S. ...
and
Greenland Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland i ...
. The plant was first described by
Carl Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his Nobility#Ennoblement, ennoblement in 1761 as Carl von Linné#Blunt, Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalise ...
in ''
Flora Lapponica ''Flora Lapponica'' (Amsterdam, 1737) is an account of the plants of Lapland written by botanist, zoologist and naturalist Carl Linnaeus (1707-1788) following his expedition to Lapland. Over the period from 12 May 1732 to 10 September 1732, an ...
'' (1737), as a result of his
expedition to Lapland The expedition to Lapland, the northernmost region in Sweden, by Carl Linnaeus between May and October 1732 was an important part of his scientific career. Linnaeus departed from Uppsala and travelled clockwise around the coast of the Gulf of ...
. Some populations from the
Canadian Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of ...
Province of
Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
have been recognized as a distinct species by some authors,Flora of North America v 8 p 65.
/ref> a variety of ''M. nivalis'' others: *''Saxifraga gaspensis'' Fernald **''Saxifraga nivalis'' var. ''gaspensis'' (Fernald) B. Boivin **''Micranthes gaspensis'' (Fernald) Small is distinguished from var. ''nivalis'' by smaller
inflorescences An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...
and narrower leaves. It is known only from the Shickshock Mountains of the Gaspé Peninsula of southeastern Québec. It has been suggested that this may be a hybrid of ''M. nivalis'' and ''M. tenuis;'' further study is warranted.


References

{{- nivalis Flora of Alaska Flora of Canada Flora of England Flora of Greenland Flora of Ireland Flora of Norway Flora of Russia Flora of Svalbard Flora of Scotland Plants described in 1753 Taxa named by Carl Linnaeus Taxa named by John Kunkel Small Flora without expected TNC conservation status