Solidago sect. Ptarmicoidei
{{short description|Section of flowering plants in the genus Solidago}}
{{Automatic taxobox
|image=Solidago ohioensis 5499399 4x3.jpg
|image_caption=Solidago ohioensis
|taxon=Solidago sect. Ptarmicoidei
|authority=(House) Semple & Gandhi
|synonyms=
- Aster sect. Ptarmicoidei House
- Oligoneuron Small
- Solidago ser. Corymbosae (Torrey & A. Gray) O. Hoffmann
- Solidago subg. Oligoneuron (Small) House
- Unamia Greene
}}
Solidago sect. Ptarmicoidei is a section of flowering plants in the genus Solidago. They are sometimes considered a separate genus: Oligoneuron. Like related species they are known as goldenrods. This section contains seven species of perennial herbs, all native to North America. They are distinguished from other goldenrods by their corymbiform 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 Linnaeus – stiff goldenrod
- Solidago vossii J.S.Pringle & Laureto – Voss's goldenrod
{{Gallery|mode=packed
|Solidago ptarmicoides Arkansas.jpg|Solidago ptarmicoides
|Solidago riddellii imported from iNaturalist photo 49332142 on 18 February 2020.jpg|Solidago riddellii
|Oligoneuron rigidum EPA-1.jpg|Solidago rigida
}}
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
{{Reflist|refs=
{{Go Botany|genus=Oligoneuron|accessdate=8 January 2020}}
{{cite web |title=Solidago |url=https://michiganflora.net/genus.aspx?id=Solidago |website=michiganflora.net |accessdate=8 January 2020}}{{PLANTS |id=OLIGO3 |taxon=Oligoneuron |accessdate=8 January 2020}}
|url=https://data.canadensys.net/vascan/taxon/23424 |website=Database of Vascular Plants of Canada (VASCAN) |accessdate=7 January 2020}}
}}
{{Taxonbar|from1=Q48414161|from2=Q7086835}}