''Solidago'' sect. ''Ptarmicoidei'' is a

section Section, Sectioning or Sectioned may refer to: Arts, entertainment and media * Section (music), a complete, but not independent, musical idea * Section (typography), a subdivision, especially of a chapter, in books and documents ** Section sign ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

s in the genus ''

Solidago ''Solidago'', commonly called goldenrods, is a genus of about 100 to 120''Solidago''.
F ...

''. They are sometimes considered a separate genus: ''Oligoneuron''. Like related species they are known as goldenrods. This section contains seven species of

perennial 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 ...

herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicina ...

s, all native to North America. They are distinguished from other goldenrods by their

corymb Corymb is a botanical term for an inflorescence with the flowers growing in such a fashion that the outermost are borne on longer pedicels than the inner, bringing all flowers up to a common level. A corymb has a flattish top with a superficia ...

iform flowerheads, which are flat or rounded in profile and about as broad as tall or broader, for which they are sometimes called flat-topped goldenrods.

Species

The following seven species are included in ''Solidago'' sect. ''Ptarmicoidei'': *''

Solidago houghtonii ''Solidago houghtonii'' is a rare North American species of flowering plant in the family Asteraceae known as Houghton's goldenrod. It is native to southern Ontario, Canada and the northern United States (Michigan and New York). It is threatened ...

'' Torrey & A. Gray – Houghton's goldenrod *''

Solidago nitida ''Solidago nitida'' is a North American plant species in the family Asteraceae, common name shiny goldenrod. The species is native to the south-central United States, in the southern Great Plains and Lower Mississippi Valley. It is found in the ...

'' Torrey & A. Gray – shiny goldenrod *''

Solidago ohioensis ''Solidago ohioensis'' is a North American plant species in the family Asteraceae, called the Ohio goldenrod. It is found primarily in the Great Lakes region of Canada and the United States, in Ontario, New York, Ohio, Michigan, Wisconsin, India ...

'' Riddell – Ohio goldenrod *''

Solidago ptarmicoides ''Solidago ptarmicoides'', the prairie goldenrod, white flat-top goldenrod or upland white aster, is a North American perennial flowering plant in the family Asteraceae. It is native to the central and eastern Canada (from New Brunswick to Manito ...

'' (Torrey & A. Gray) B. Boivin – stiff aster *''

Solidago riddellii ''Solidago riddellii'', known as Riddell's goldenrod, is a North American plant species in the genus ''Solidago'' of the family Asteraceae. It grows primarily in the Great Lakes and eastern Great Plains of Canada and the United States. It is som ...

'' Frank – Riddell's goldenrod *''

Solidago rigida ''Solidago rigida'', known by the common names stiff goldenrod and stiff-leaved goldenrod, is a North American plant species in the family Asteraceae. It has a widespread distribution in Canada and the United States, where it is found primarily e ...

'' Linnaeus – stiff goldenrod *''

Solidago vossii ''Solidago vossii'' is a flowering plant in the family Asteraceae known as Voss's goldenrod. It is endemic to Michigan in the United States. It was first formally named in 2010 by James Scott Pringle & Pamela J. Laureto. The type locality i ...

'' J.S.Pringle & Laureto – Voss's goldenrod Named hybrids among members of the section include: *''Solidago'' × ''bernardii'' B.Boivin (''S. ptarmicoides'' and ''S. riddellii'') – creamy aster *''Solidago'' × ''maheuxii'' B.Boivin (''S. riddellii'' and ''S. rigida'' var. ''humilis'') *''Solidago'' × ''lutescens'' (Lindl. ex DC.) B.Boivin (''S. ptarmicoides'' and ''S. rigida'') – yellow upland goldenrod *''Solidago'' × ''krotkovii'' B.Boivin (''S. ohioense'' and ''S. ptarmicoides'') – Krotkov's goldenrod

References

{{Taxonbar, from1=Q48414161, from2=Q7086835 * Flora of North America Plant sections