Prenanthes trifoliolata (Cassini) Fernald (Q6260)
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Prenanthes trifoliolata is a synonym of Nabalus trifoliolatus Cassini
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Prenanthes trifoliolata (Cassini) Fernald
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Prenanthes trifoliolata is a synonym of Nabalus trifoliolatus Cassini
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Statements
taxon/id/Prenanthes trifoliolata (Cassini) Fernald
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CA-NB
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CA-NL
Nfld. and Labr.
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CA-NS
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CA-ON
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CA-PE
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CA-QC
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US-CT
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US-GA
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US-IN
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US-KY
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US-ME
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US-MD
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US-MA
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US-MI
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US-NH
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US-NJ
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US-NY
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US-NC
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US-OH
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US-PA
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US-RI
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US-SC
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US-TN
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US-VT
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US-VA
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US-WV
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taproots thick, with lateral roots.
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Stems erect, green or sometimes mottled purple, usually glabrous, sometimes tomentulose distally.
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Leaves: proximal usually present at flowering;
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petiolate (petioles winged, 1–25 cm);
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blades deltate to ovate, 3–12 × 1–15 cm, thin, bases cordate to rounded, margins palmately 3 (–5) -lobed to divided (then leaves compound), lobes and sinuses usually angular (not rounded), lobes short and lanceolate, ultimate margins irregularly serrate, faces glabrous or ciliate along abaxial veins and margins;
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distal reduced, palmately lobed or entire.
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Heads (2–7, nodding, in irregular clusters) in racemiform or paniculiform arrays.
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Involucres narrowly campanulate (bases attenuate to bracteate peduncles), 10–13 × 4–5 mm.
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Calyculi of 5–7, green to dark green or blackish, triangular bractlets 1–3 mm, glabrous.
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Phyllaries 7–10, green to dark green or blackish proximally, lanceolate to elliptic, 10–11 mm, margins scarious, sometimes ciliate, faces glabrous.
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corollas pale-yellow, 9–15 mm.
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Cypselae tan to brown, subcylindric, subterete to angled, 4–5 mm, distinctly 8–11-ribbed;
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pappi pale-yellow, 7–9 mm. 2n = 16.
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tomentulose
sometimes; distally
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