Difference between revisions of "Pseudognaphalium macounii"
in J. T. Kartesz and C. A. Meacham, Synth. N. Amer. Fl., nomencl. innov. 30. 1999.
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|accepted_name=Pseudognaphalium macounii | |accepted_name=Pseudognaphalium macounii | ||
− | |accepted_authority=(Greene) Kartesz | + | |accepted_authority=(Greene) Kartesz |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in J. T. Kartesz and C. A. Meacham, Synth. N. Amer. Fl., nomencl. innov. | |title=in J. T. Kartesz and C. A. Meacham, Synth. N. Amer. Fl., nomencl. innov. | ||
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name=Pseudognaphalium macounii | name=Pseudognaphalium macounii | ||
− | |authority=(Greene) Kartesz | + | |authority=(Greene) Kartesz |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication year=1999 | |publication year=1999 | ||
|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/V19_690.xml |
|tribe=Asteraceae tribe Gnaphalieae | |tribe=Asteraceae tribe Gnaphalieae | ||
|genus=Pseudognaphalium | |genus=Pseudognaphalium |
Latest revision as of 20:54, 5 November 2020
Annuals or biennials (often sweetly fragrant), 40–90 cm; taprooted. Stems stipitate-glandular throughout (usually persistently lightly white-tomentose distally). Leaf blades (not crowded, internodes mostly 5+ mm) lanceolate to oblanceolate, 3–10 cm × 3–13 mm (distal linear), bases not clasping, decurrent 5–10 mm, margins flat to slightly revolute, faces weakly bicolor, abaxial tomentose, adaxial stipitate-glandular, otherwise glabrescent or glabrous. Heads in corymbiform arrays. Involucres campanulo-subglobose, 4.5–5.5 mm. Phyllaries in 4–5 series, stramineous to creamy (hyaline, shiny), ovate to ovate-oblong, glabrous. Pistillate florets 47–101(–156). Bisexual florets 5–12[–21]. Cypselae not ridged, ± papillate-roughened.
Phenology: Flowering July–Oct.
Habitat: Dry, open habitats, pastures, open woods or edges, roadsides
Elevation: 50–2600(–3000) m
Distribution
![V19-690-distribution-map.gif](/w/images/3/39/V19-690-distribution-map.gif)
Alta., B.C., Man., N.B., N.S., Ont., P.E.I., Que., Sask., Ariz., Calif., Colo., Conn., Idaho, Ill., Ind., Maine, Mass., Mich., Minn., Mont., N.H., N.Mex., N.Y., Ohio, Oreg., Pa., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Mexico.
Discussion
Pseudognaphalium macounii is recognized by its stipitate-glandular, proximally glabrescent stems, bicolor and decurrent leaves, relatively large and many-flowered heads, and hyaline, shiny phyllaries. Reports of P. macounii from Texas are based on specimens of P. viscosum.
Selected References
None.