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Cochlearia tridactylites Banks ex DC.
Family: Brassicaceae
Cochlearia tridactylites image
Biennials or perennials. Stems few to several from base, decumbent, branched distally, 0.6-3 dm. Basal leaves rosulate; petiole 0.5-5(-9) cm; blade cordate to broadly ovate, 0.5-1.5(-2) cm × 3-15(-20) mm, base cordate or truncate, margins entire or dentate, rarely sinuate-dentate, apex obtuse. Cauline leaves petiolate (shortly petiolate or sessile distally); blade 4-20 × 3-17 mm, base cuneate to subtruncate (distalmost auriculate), margins coarsely dentate, apex acute. Racemes many-flowered, (more elongated proximally). Fruiting pedicels divaricate or ascending, (3-)4-11(-15) mm. Flowers: sepals ovate, 1-2(-2.5) × 0.7-1.2 mm; petals oblanceolate, 1.8-3 (-4) × 1-2 mm; filaments 1-2 mm; anthers 0.3-0.5 mm. Fruits orbicular or ovoid-orbicular, 3.5-7(-9) × 4-7 (-9) mm, distinctly angustiseptate; valves prominently reticulate; septum complete; ovules 8-12 per ovary; style 0.3-0.9 mm. Seeds brown, ovoid-oblong, 1.4-1.6 × 1.1-1.3 mm, papillate. Flowering Jul-Aug. Coastal areas, calcareous sandstone, sea cliffs, rocky seashores, limestone gravel beds, serpentine barrens, talus or gravel, escarpments; 0-100 m; Nfld. and Labr., N.S., Que.