Cardamine douglassii Britton (Q3577)
Cardamine douglassii is a taxon with the rank species within the genus Cardamine
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Cardamine douglassii Britton
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Cardamine douglassii is a taxon with the rank species within the genus Cardamine
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Statements
taxon/id/Cardamine douglassii Britton
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Cardamine douglassii Britton
Cardamine douglassii
Britton
FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
accepted
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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-CT
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US-DC
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US-IL
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US-IN
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US-IA
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US-KY
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US-MD
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US-MA
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US-MI
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US-MN
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US-MO
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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-SC
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US-TN
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US-VA
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US-WV
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US-WI
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50-400 m
50 meter
400 meter
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Rhizomes (tuberous at stem base), subglobose, (lobed or not), (3–) 4–10 mm diam., (fleshy).
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Stems erect, unbranched, (0.7–) 1–2.5 (–3) dm, sparsely to densely hirsute, or glabrous basally, (trichomes (0.2–) 0.3–0.6 (–0.8) mm).
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Rhizomal leaves simple, (3–) 5–15 (–18) cm;
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petiole (2–) 4–12 (–16) cm;
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blade often orbicular to cordate, sometimes reniform or ovate, (1–) 2–6 cm × (7–) 17–50 mm, base obtuse to cordate, margins repand or entire.
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(middle) shortly petiolate or (distal) sessile, base not auriculate;
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blade oblong to ovate or lanceolate, 2–5 cm × 5–25 mm, margins entire, repand, or coarsely dentate.
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Fruiting pedicels ascending to divaricate, (10–) 15–35 (–50) mm, sparsely pubescent or glabrous.
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Flowers: sepals oblong, 2.5–4 (–6) × 1.5–2.5 mm, lateral pair not saccate basally, (surfaces often hirsute);
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petals usually rose-purple to pink, rarely white, obovate, (7–) 8–13 (–15) × 3–5 mm, (short-clawed, apex rounded);
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filaments: median pairs 4–7 mm, lateral pair 2–4 mm;
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anthers oblong, 1.3–1.7 mm.
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Fruits linear, (1.5–) 2–4 cm × 1.5–2 mm;
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ovules 10–16 per ovary;
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Seeds brown, oblong to ovoid, 1.7–2.5 × 1–5 mm. 2n = 56, 64, 96, 112, 144.
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hirsute
sparsely to densely; densely
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