Difference between revisions of "Ratibida pinnata (Ventenat) Barnhart (Q2781)"
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Latest revision as of 12:52, 24 June 2022
Ratibida pinnata is a taxon with the rank species within the genus Ratibida
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Ratibida pinnata (Ventenat) Barnhart
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Ratibida pinnata is a taxon with the rank species within the genus Ratibida
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taxon/id/Ratibida pinnata (Ventenat) Barnhart
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Ratibida pinnata (Ventenat) Barnhart
Ratibida pinnata
(Ventenat) Barnhart
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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grey-headed prairie coneflower (English)
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CA-ON
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Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-ON
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US-AL
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US-AR
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US-FL
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US-GA
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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US-LA
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US-MA
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US-MI
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US-MN
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US-MS
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US-MO
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US-NE
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US-NY
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US-OH
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US-OK
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US-SD
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US-TN
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US-VT
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US-WI
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10–300 m
10 meter
300 meter
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Leaves 5–40 × 3–15+ cm, pinnatifid to pinnate, lobes 3–9, narrowly lanceolate to ovate, 1–15 × 0.2–3.5 cm, faces strigose, glanddotted.
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Heads mostly 1–12, held well beyond leaves.
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Peduncles 3–27+ cm (ribs tan, prominent).
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Phyllaries 10–15, outer linear, 3–15 × 1–3 mm, inner lanceolate-ovate, 3–6 × 0.7–3 mm.
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Paleae 1.2–5 × 1–1.8 mm, resin-glands linear to oblanceolate, 2–3.3 mm.
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corollas yellow, 2.5–3.8 mm, tubes ca. 1–3 mm, hirsute, laminae linear-elliptic to oblong-oblanceolate, 16–60 × 4–15 mm.
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Discs ellipsoid to globular or ovoid, 10–25 × 10–18 mm.
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Disc-florets 100–200+;
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corollas greenish yellow, often purplish distally, 2.5–3.8 mm;
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style-branches ca. 1.8 mm, proximal 1/2 stigmatic, apices subulate.
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Cypselae linear-oblanceoloid, 2–4 × 1–2.3 mm, margins usually glabrous, sometimes adaxial ciliate;
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pappi 0 or of 1–2 toothlike projections.
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linear-elliptic
oblong-oblanceolate
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