Difference between revisions of "Pseudognaphalium micradenium"
Sida 19: 618. 2001.
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|common_names=Delicate rabbit-tobacco | |common_names=Delicate rabbit-tobacco | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Gnaphalium obtusifolium var. micradenium | |name=Gnaphalium obtusifolium var. micradenium | ||
|authority=Weatherby | |authority=Weatherby | ||
| + | |rank=variety | ||
| + | |publication_title=Rhodora | ||
| + | |publication_place=25: 22. 1923 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Gnaphalium helleri var. micradenium | |name=Gnaphalium helleri var. micradenium | ||
|authority=(Weatherby) Mahler | |authority=(Weatherby) Mahler | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Pseudognaphalium helleri subsp. micradenium | |name=Pseudognaphalium helleri subsp. micradenium | ||
|authority=(Weatherby) Kartesz | |authority=(Weatherby) Kartesz | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Gnaphalieae;Pseudognaphalium;Pseudognaphalium micradenium | |hierarchy=Asteraceae;Asteraceae tribe Gnaphalieae;Pseudognaphalium;Pseudognaphalium micradenium | ||
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name=Pseudognaphalium micradenium | name=Pseudognaphalium micradenium | ||
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|authority=(Weatherby) G. L. Nesom | |authority=(Weatherby) G. L. Nesom | ||
|rank=species | |rank=species | ||
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|publication title=Sida | |publication title=Sida | ||
|publication year=2001 | |publication year=2001 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_689.xml |
|tribe=Asteraceae tribe Gnaphalieae | |tribe=Asteraceae tribe Gnaphalieae | ||
|genus=Pseudognaphalium | |genus=Pseudognaphalium | ||
Latest revision as of 19:54, 5 November 2020
Annuals (fragrant), 15–60 cm; taprooted or fibrous-rooted. Stems glandular-puberulent (without persistent tomentum), stipitate glands 0.1–0.2 mm, stalks narrower than gland widths. Leaf blades linear to linear-lanceolate or linear-oblanceolate, 1.5–5.5 cm × 1.5–10 mm, bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white to gray, tomentose, adaxial green, both minutely stipitate-glandular. Heads in corymbiform arrays. Involucres turbinate-campanulate, 5–6 mm. Phyllaries in 4–6 series, white to tawny white (hyaline, shiny), narrowly ovate to oblong, glabrous. Pistillate florets 47–78. Bisexual florets (7–)11–20. Cypselae ridged, smooth.
Phenology: Flowering Sep–Oct.
Habitat: Dry woods and openings, roadsides
Elevation: 10–600 m
Distribution
Ga., Ind., Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Pa., S.C., Tenn., Va., Wis.
Discussion
Pseudognaphalium micradenium has a more northern and Appalachian distribution than P. helleri. A report of P. micradenium for Louisiana probably was based on specimens of P. helleri. The two species differ in vestiture and other features; stems of P. micradenium are more slender than those of its close relatives.
Selected References
None.