Difference between revisions of "Vernonia marginata"
Atlantic J. 1: 146. 1832.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Vernonia altissima var. marginata | |name=Vernonia altissima var. marginata | ||
|authority=Torrey | |authority=Torrey | ||
| + | |rank=variety | ||
| + | |publication_title=Ann. Lyceum Nat. Hist. New York | ||
| + | |publication_place=2: 210. 1827 | ||
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name=Vernonia marginata | name=Vernonia marginata | ||
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|authority=(Torrey) Rafinesque | |authority=(Torrey) Rafinesque | ||
|rank=species | |rank=species | ||
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|publication year=1832 | |publication year=1832 | ||
|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_261.xml |
|tribe=Asteraceae tribe Vernonieae | |tribe=Asteraceae tribe Vernonieae | ||
|genus=Vernonia | |genus=Vernonia | ||
Latest revision as of 20:50, 5 November 2020
Plants 3–5(–8+) dm. Stems puberulent, glabrescent. Leaves mostly cauline; blades narrowly lanceolate to lance-linear, 5–15+ cm × (2.5–)8–12+ mm, l/w = 8–20(–30+), abaxially glabrate (pitted, awl-shaped hairs in pits), adaxially puberulent, glabrescent (sometimes pitted). Heads in corymbiform arrays. Peduncles (3–)10–35 mm. Involucres narrowly campanulate, (7–)9–11 × 5–6 mm. Phyllaries 35–40+ in 5–6+ series, glabrescent, margins arachno-ciliolate, the outer lance-ovate, 1–2 mm, inner oblong to linear-oblong, 6–9+ mm, tips ± acuminate. Florets 10–25+. Cypselae 4–5 mm; pappi stramineous to purplish, outer subulate scales or bristles 30+, 0.6–2+ mm, intergrading with 40+, 8–9+ mm inner subulate scales or bristles. 2n = 34.
Phenology: Flowering Jul–Aug.
Habitat: Ditches, sandy flats, stream banks
Elevation: 600–2000 m
Distribution
Colo., Kans., N.Mex., Okla., Tex., Mexico (Coahuila).
Discussion
Selected References
None.