Descurainia pinnata (Walter) Britton (Q3697)
Descurainia pinnata is a taxon with the rank species within the genus Descurainia
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Descurainia pinnata (Walter) Britton
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Descurainia pinnata is a taxon with the rank species within the genus Descurainia
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Statements
taxon/id/Descurainia pinnata (Walter) Britton
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Descurainia pinnata (Walter) Britton
Descurainia pinnata
(Walter) 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-AB
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CA-BC
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CA-MB
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CA-NT
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CA-NU
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CA-ON
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CA-QC
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CA-SK
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US-AL
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US-AR
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US-CA
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US-CO
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US-IN
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US-MT
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sparsely to densely pubescent, sometimes glabrous distally, canescent or not, trichomes dendritic.
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Stems erect, unbranched or branched basally and/or distally, (0.8–) 1.3–5.7 (–9.2) dm.
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Basal leaves: petiole 0.5–3.6 cm;
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blade 1-pinnate or 2-pinnate, ovate or oblong to oblanceolate in outline, 1–15 cm, lateral lobes (4–9 pairs), linear or oblanceolate to ovate, margins entire or dentate.
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Cauline leaves sessile or shortly petiolate;
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blade smaller distally, distal lobes often narrower, surfaces densely pubescent.
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Fruiting pedicels usually ascending to divaricate or horizontal, rarely descending (at 20–110º angle), straight or slightly recurved, 4–18 (–23) mm.
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Flowers: sepals spreading to ascending, yellow, purple, or rose, oblong, 0.8–2.6 mm, pubescent;
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petals (whitish or yellow), narrowly oblanceolate, 1–3 × 0.3–1 mm;
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median filaments 1–2.8 mm;
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anthers 0.2–0.4 mm.
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Fruits erect to ascending, usually clavate, rarely broadly linear (wider distally), not torulose, 4–13 (–17) × 1.2–2.2 mm;
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valves each with distinct midvein;
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ovules 16–40 per ovary;
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style obsolete, 0.02–0.2 mm, glabrous.
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Seeds biseriate, reddish-brown, oblong, 0.6–0.9 × 0.4–0.5 mm.
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