Difference between revisions of "Ageratina herbacea"
Phytologia 19: 222. 1970.
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|elevation=1400–2700(–2900) m | |elevation=1400–2700(–2900) m | ||
|distribution=Ariz.;Calif.;Colo.;Nev.;N.Mex.;Tex.;Utah;Mexico (Baja California;Chihuahua;Coahuila;Sonora). | |distribution=Ariz.;Calif.;Colo.;Nev.;N.Mex.;Tex.;Utah;Mexico (Baja California;Chihuahua;Coahuila;Sonora). | ||
| − | |discussion=<p>Ageratina herbacea is recognized by the distinctive color of its usually yellow-green, sometimes grayish, leaves, granular-puberulent involucres (with minute, thickened, eglandular hairs), and woody rhizomes.</p> | + | |discussion=<p><i>Ageratina herbacea</i> is recognized by the distinctive color of its usually yellow-green, sometimes grayish, leaves, granular-puberulent involucres (with minute, thickened, eglandular hairs), and woody rhizomes.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1970 | |publication year=1970 | ||
|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/V21_1398.xml |
|tribe=Asteraceae tribe Eupatorieae | |tribe=Asteraceae tribe Eupatorieae | ||
|genus=Ageratina | |genus=Ageratina | ||
Revision as of 16:32, 18 September 2019
Perennials or subshrubs, (20–)30–60(–80) cm (woody crowns and woody rhizomes). Stems erect (brittle), minutely puberulent. Leaves opposite; petioles 10–25 mm; blades triangular to lanceolate-ovate or ovate, 2–5(–7) × 1.5–3.5(–4.5) cm, bases truncate to shallowly cordate, margins dentate to serrate-dentate, abaxial faces sparsely hispidulous to glabrate, eglandular. Heads clustered. Peduncles 4–15 mm, puberulent. Involucres 4–5 mm. Phyllaries: apices acute, abaxial faces granular-puberulent. Corollas white, glabrous. Cypselae finely strigose-hispidulous. 2n = 34.
Phenology: Flowering (Jul–)Aug–Oct.
Habitat: Pine, pine-oak, juniper, and pinyon-juniper woodlands, rocks along streams, slopes, ridges, washes
Elevation: 1400–2700(–2900) m
Distribution
Ariz., Calif., Colo., Nev., N.Mex., Tex., Utah, Mexico (Baja California, Chihuahua, Coahuila, Sonora).
Discussion
Ageratina herbacea is recognized by the distinctive color of its usually yellow-green, sometimes grayish, leaves, granular-puberulent involucres (with minute, thickened, eglandular hairs), and woody rhizomes.
Selected References
None.