Difference between revisions of "Vernonia flaccidifolia"
Bull. Torrey Bot. Club 25: 144. 1898.
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|tribe=Asteraceae tribe Vernonieae | |tribe=Asteraceae tribe Vernonieae | ||
|genus=Vernonia | |genus=Vernonia | ||
Revision as of 20:16, 16 December 2019
Plants 10–20+ dm. Stems glabrous. Leaves mostly cauline; blades ± lanceolate, 10–25(–30+) cm × 15–35(–60+) mm, l/w = 5–7+, abaxially puberulous, not resin-gland-dotted, adaxially scabrellous, glabrescent, not resin-gland-dotted. Heads in paniculiform-scorpioid arrays. Peduncles 1–8(–15) mm. Involucres broadly campanulate to hemispheric, 4–5+ × 4–5 mm. Phyllaries 30–45+ in 5–6 series, glabrescent, margins ciliolate, the outer lance-ovate, 1–3 mm, inner lance-oblong to oblong, 3.5–5 mm, tips rounded. Florets 15–25+. Cypselae 3–3.5 mm; pappi stramineous to whitish, outer scales 25–35, 0.8–1.1 mm, contrasting with 35–45+, 5–6+ mm inner bristles. 2n = 34.
Phenology: Flowering Aug.
Habitat: Disturbed places in woodlands
Elevation: 90–400 m
Distribution
Ala., Ga., Tenn.
Discussion
Selected References
None.
Lower Taxa
None.