''Solidago simplex'', the Mt. Albert goldenrod or sticky goldenrod, is a North American plant species in the genus '' Solidago'' of the family Asteraceae. It is widespread across much of Canada, parts of the United States, and northeastern Mexico.Biota of North America Program 2014 state-level distribution map
/ref>SEINet Southwestern Biodiversity, Arizona chapter, ''Solidago simplex'' Kunth, Mt. Albert goldenrod
/ref>

Description

''Solidago simplex'' is a perennial herb up to 80 cm (32 inches) tall, with a branching underground

caudex A caudex (plural: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is m ...

. One plant system can produce as many as 10 stems. Leaves are long and narrow, up to 16 cm (6.6 inches) long, produced on the stem as well as at the base. One stem can sometimes produce as many as 150 small yellow

flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...

, each with 7-16 ray florets surrounding 6-31 disc florets. Flora of North America, ''Solidago simplex'' Kunth 1818. Sticky goldenrod
/ref>

Varieties

At least eight varieties of the species may be recognised: *''Solidago simplex'' var. ''chlorolepis'' (Fernald) G. S. Ringius - Mt. Albert,

Gaspé Peninsula The Gaspé Peninsula, also known as Gaspesia (; ), is a peninsula along the south shore of the Saint Lawrence River that extends from the Matapedia Valley in Quebec, Canada, into the Gulf of Saint Lawrence. It is separated from New Brunswick o ...

Québec Quebec ( ; )According to the Government of Canada, 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 ...

*''Solidago simplex'' var. ''gillmanii'' (A.Gray) G.S.Ringius - shores of

Lake Michigan Lake Michigan is one of the five Great Lakes of North America. It is the second-largest of the Great Lakes by volume () and the third-largest by surface area (), after Lake Superior and Lake Huron. To the east, its basin is conjoined with that o ...

Lake Huron Lake Huron ( ) is one of the five Great Lakes of North America. Hydrology, Hydrologically, it comprises the easterly portion of Lake Michigan–Huron, having the same surface elevation as Lake Michigan, to which it is connected by the , Strait ...

*''Solidago simplex'' var. ''monticola'' (Porter) G.S.Ringius - mountains in

, New York State, New England *''Solidago simplex'' var. ''nana'' (A.Gray) G.S.Ringius - Cascade Mountains in Oregon and Washington, Vancouver Island in British Columbia *''Solidago simplex'' var. ''ontarioensis'' (G.S.Ringius) G.S.Ringius - shores on Canadian side of

*''Solidago simplex'' var. ''racemosa'' (Greene) G.S.Ringius - from

and New Brunswick south as far as West Virginia *''Solidago simplex'' var. ''randii'' (Porter) Kartesz & Gandhi - from

and New Brunswick west as far as Minnesota *''Solidago simplex'' var. ''simplex'' - from Alaska east to

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. ...

+ Quebec, south as far as Arizona,

Nuevo León Nuevo León () is a state in the northeast region of Mexico. The state was named after the New Kingdom of León, an administrative territory from the Viceroyalty of New Spain, itself was named after the historic Spanish Kingdom of León. With a ...

San Luis Potosí San Luis Potosí (), officially the Free and Sovereign State of San Luis Potosí ( es, Estado Libre y Soberano de San Luis Potosí), is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 58 municipalities and i ...

References

External links

Photo of herbarium specimen collected in Nuevo León in 1962

simplex In geometry, a simplex (plural: simplexes or simplices) is a generalization of the notion of a triangle or tetrahedron to arbitrary dimensions. The simplex is so-named because it represents the simplest possible polytope in any given dimension. ...

Flora of North America Plants described in 1818 {{Solidago-stub