Difference between revisions of "Vernonia arkansana"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 7: 264. 1838.
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|accepted_name=Vernonia arkansana | |accepted_name=Vernonia arkansana | ||
| − | |accepted_authority= | + | |accepted_authority=de Candolle |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
|place=7: 264. 1838 | |place=7: 264. 1838 | ||
|year=1838 | |year=1838 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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name=Vernonia arkansana | name=Vernonia arkansana | ||
| − | |authority= | + | |authority=de Candolle |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
|publication year=1838 | |publication year=1838 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_252.xml |
|tribe=Asteraceae tribe Vernonieae | |tribe=Asteraceae tribe Vernonieae | ||
|genus=Vernonia | |genus=Vernonia | ||
Latest revision as of 19:50, 5 November 2020
Plants 8–12(–20) dm. Stems scabrellous to pilosulous, glabrescent. Leaves mostly cauline; blades lance-linear, 6–14(–20) cm × 7–15(–25) mm, l/w = 7–10(–18), abaxially scabrellous (hairs awl-shaped), resin-gland-dotted, adaxially scaberulous, glabrescent, resin-gland-dotted. Heads in ± corymbiform arrays. Peduncles 2–5 cm. Involucres ± hemispheric, 11–15 × 11–15 mm. Phyllaries (50–)60–70+ in 5–6 series, scabrellous (and resin-gland-dotted), margins ciliolate, the outer lance-ovate, 3–8+ mm, inner lanceolate, 12–15 mm, tips subulate to filiform. Florets 50–100+. Cypselae 3–5 mm; pappi fuscous to purplish, outer scales 25–30+, 0.5–1 mm, contrasting with 25–30+, 5–7 mm inner bristles. 2n = 34.
Phenology: Flowering Aug–Oct.
Habitat: Leas, roadsides, stream banks, in sand or on limestone
Elevation: 200–300 m
Distribution
Ark., Kans., Mo., Okla.
Discussion
Vernonia arkansana was published in April, V. crinita in October 1838.
Selected References
None.