''Erigeron hyperboreus'' is a rare Arctic species of flowering plant in the family
Asteraceae known by the common name tundra fleabane. It has been found only in
arctic tundra in
Alaska,
Yukon, and
Northwest Territories
The Northwest Territories (abbreviated ''NT'' or ''NWT''; french: Territoires du Nord-Ouest, formerly ''North-Western Territory'' and ''North-West Territories'' and namely shortened as ''Northwest Territory'') is a federal territory of Canada. ...
.
Description
''Erigeron hyperboreus'' is a small
perennial her rarely more than 15 centimeters (6 inches) tall, spreading by means of underground
rhizomes
In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...
. Each plant generally produces only one
flower head, with 30-60 white or blue
ray florets surrounding yellow
disc florets.
Flora of North America, ''Erigeron hyperboreus'' Greene, Tundra fleabane
/ref>
References
hyperboreus
Flora of Alaska
Flora of Yukon
Flora of the Northwest Territories
Plants described in 1915
Flora of the Sierra Nevada (United States)
Flora without expected TNC conservation status
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