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''Euphorbia marginata'' (commonly known as snow-on-the-mountain, smoke-on-the-prairie, variegated spurge, or whitemargined spurge) is a small
Snow-on-the-mountain has grey-green leaves along branches and smaller leaves ( bracts or cyathophylls) in terminal whorls with edges trimmed with wide white bands, creating, together with the white flowers, the appearance that gives the plant its common names.
Snow-on-the-mountain has also been found to emit large quantities of sulfur gas, mainly in the form of dimethyl sulfide (DMS).
annual
Annual may refer to:
*Annual publication, periodical publications appearing regularly once per year
** Yearbook
** Literary annual
*Annual plant
*Annual report
*Annual giving
*Annual, Morocco, a settlement in northeastern Morocco
*Annuals (band), ...
in the spurge family.
It is native to parts of temperate North America, from Eastern Canada
Eastern Canada (also the Eastern provinces or the East) is generally considered to be the region of Canada south of the Hudson Bay/ Strait and east of Manitoba, consisting of the following provinces (from east to west): Newfoundland and Labrado ...
to the Southwestern United States. It is naturalized throughout much of China.
The type specimen
In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes th ...
was collected in Rosebud County, Montana
Rosebud County is a county in the state of Montana. It was established February 11, 1901, and has Montana vehicle license plate prefix 29. As of the 2020 census, the population was 8,329. Its county seat is Forsyth.
Geography
According to the ...
from the area of the Yellowstone River
The Yellowstone River is a tributary of the Missouri River, approximately long, in the Western United States. Considered the principal tributary of upper Missouri, via its own tributaries it drains an area with headwaters across the mountains a ...
by William Clark
William Clark (August 1, 1770 – September 1, 1838) was an American explorer, soldier, Indian agent, and territorial governor. A native of Virginia, he grew up in pre-statehood Kentucky before later settling in what became the state of Miss ...
during the Lewis and Clark Expedition
The Lewis and Clark Expedition, also known as the Corps of Discovery Expedition, was the United States expedition to cross the newly acquired western portion of the country after the Louisiana Purchase. The Corps of Discovery was a select gr ...
.
Description
Snow-on-the-mountain has grey-green leaves along branches and smaller leaves ( bracts or cyathophylls) in terminal whorls with edges trimmed with wide white bands, creating, together with the white flowers, the appearance that gives the plant its common names.
Snow-on-the-mountain has also been found to emit large quantities of sulfur gas, mainly in the form of dimethyl sulfide (DMS).
References
External links
* * * marginata Flora of Eastern Canada Flora of the Eastern United States Flora of the Canadian Prairies Flora of the Great Plains (North America) Flora of the United States Flora of the North-Central United States Flora of the South-Central United States Flora of the Southwestern United States Flora of the Appalachian Mountains Flora of Michigan Flora of Montana Flora of New Mexico Flora without expected TNC conservation status {{Euphorbia-stub