Difference between revisions of "Thymophylla setifolia var. greggii"
Sida 21: 287. 2004.
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|name=Thymophylla greggii | |name=Thymophylla greggii | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=species | ||
|publication_title=Mem. Amer. Acad. Arts, n. s. | |publication_title=Mem. Amer. Acad. Arts, n. s. | ||
|publication_place=4: 92. 1849 | |publication_place=4: 92. 1849 | ||
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|name=Dyssodia setifolia var. greggii | |name=Dyssodia setifolia var. greggii | ||
|authority=(A. Gray) M. C. Johnston | |authority=(A. Gray) M. C. Johnston | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Dyssodia greggii | |name=Dyssodia greggii | ||
|authority=(A. Gray) B. L. Robinson | |authority=(A. Gray) B. L. Robinson | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Pectidinae;Thymophylla;Thymophylla setifolia;Thymophylla setifolia var. greggii | |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Pectidinae;Thymophylla;Thymophylla setifolia;Thymophylla setifolia var. greggii | ||
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|elevation=1200–1500+ m | |elevation=1200–1500+ m | ||
|distribution=N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Nuevo León). | |distribution=N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Nuevo León). | ||
| − | |discussion=<p><i>Thymophylla</i> greggii < | + | |discussion=<p><i>Thymophylla</i> greggii <i></i>var.<i> greggii</i> resulted from publication of T. greggii var. radiata A. Gray. <i>Dyssodia</i> setifolia var. radiata (A. Gray) Strother is illegitimate.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Thymophylla setifolia var. greggii | name=Thymophylla setifolia var. greggii | ||
| − | |||
|authority=(A. Gray) Strother | |authority=(A. Gray) Strother | ||
|rank=variety | |rank=variety | ||
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|publication year=2004 | |publication year=2004 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_588.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Latest revision as of 21:13, 5 November 2020
Perennials, ashy white, to 15 cm, tomentose. Stems spreading (mat-forming). Leaves opposite; blades (at least proximal) lobed (from near bases), 6–12 mm overall, lobes 3–7, stiff, filiform (distal blades often acerose). Peduncles 30–40 mm, glabrous or glabrate. Calyculi of 1–3 subulate bractlets, lengths less than 1/2 phyllaries. Involucres obconic to campanulate, 3.5–4 mm. Phyllaries 9–15, margins of outer free less than 1/3 their lengths, abaxially glabrous. Ray florets 7–10; corollas bright yellow, laminae 2–3 × 0.8–1.2 mm. Disc florets 20–40; corollas dull yellow, 2–2.5 mm. Cypselae 1.5–2.2 mm; pappi coroniform (of connate scales) 0.3–0.5 mm.
Phenology: Flowering summer.
Habitat: Rocky, calcareous outcrops and derived soils
Elevation: 1200–1500+ m
Distribution
N.Mex., Tex., Mexico (Chihuahua, Coahuila, Nuevo León).
Discussion
Thymophylla greggii var. greggii resulted from publication of T. greggii var. radiata A. Gray. Dyssodia setifolia var. radiata (A. Gray) Strother is illegitimate.
Selected References
None.