''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 sig ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

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 In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...

herb Herbs are a widely distributed and widespread group of plants, excluding vegetables, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal purposes, or for fragrances. Culinary use typically distingu ...

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 superficial re ...

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'' Torrey & A. Gray – Houghton's goldenrod *'' Solidago nitida'' Torrey & A. Gray – shiny goldenrod *'' Solidago ohioensis'' Riddell – Ohio goldenrod *'' Solidago ptarmicoides'' (Torrey & A. Gray) B. Boivin – stiff aster *'' Solidago riddellii'' 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'' 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 Northern America Plant sections