Difference between revisions of "Pseudognaphalium helleri"
Opera Bot. 104: 147. 1991.
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|elevation=10–300 m | |elevation=10–300 m | ||
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;Okla.;S.C.;Tenn.;Tex.;Va. | |distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;Okla.;S.C.;Tenn.;Tex.;Va. | ||
| − | |discussion=<p>Pseudognaphalium helleri and P. micradenium are similar to P. obtusifolium in most features; both differ in their glandular stems without the persistent whitish tomentum of P. obtusifolium.</p> | + | |discussion=<p><i>Pseudognaphalium helleri</i> and <i>P. micradenium</i> are similar to <i>P. obtusifolium</i> in most features; both differ in their glandular stems without the persistent whitish tomentum of <i>P. obtusifolium</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1991 | |publication year=1991 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V19_688.xml |
|tribe=Asteraceae tribe Gnaphalieae | |tribe=Asteraceae tribe Gnaphalieae | ||
|genus=Pseudognaphalium | |genus=Pseudognaphalium | ||
Revision as of 16:14, 18 September 2019
Annuals (fragrant), 30–100 cm; fibrous-rooted (roots relatively thick and lignescent). Stems greenish, glandular-villous (without persistent tomentum, stipitate glands mostly 0.3–1 mm, often variable, stalks broadened toward bases, about equaling gland widths). Leaf blades mostly oblong-lanceolate, 2.5–7 cm × 4–20 mm, bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white to gray with lightly persistent tomentum, adaxial green, both minutely stipitate-glandular. Heads in corymbiform arrays. Involucres campanulate, 6–7 mm. Phyllaries in 4–6 series, white (opaque, shiny), ovate to ovate-oblong or oblong, ± tomentose. Pistillate florets 83–107. Bisexual florets 9–15. Cypselae ridged, smooth.
Phenology: Flowering Sep–Oct(–Nov).
Habitat: Dry woods and openings, clay and sandy clay, sand hills
Elevation: 10–300 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tenn., Tex., Va.
Discussion
Pseudognaphalium helleri and P. micradenium are similar to P. obtusifolium in most features; both differ in their glandular stems without the persistent whitish tomentum of P. obtusifolium.
Selected References
None.