Cochlearia tridactylites

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.

Phenology: Flowering Jul–Aug.
Habitat: Coastal areas, calcareous sandstone, sea cliffs, rocky seashores, limestone gravel beds, serpentine barrens, talus or gravel, escarpments
Elevation: 0-100 m

Nfld. and Labr., N.S., Que.

Discussion

Selected References

None.

Lower Taxa