Cardamine pattersonii |
Cardamine pachystigma |
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Saddle Mountain bittercress |
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Habit | Plants annual or short-lived perennial, glabrous; rhizomes cylindrical, slender, 0.5–1.5 mm in diameter. | |
Stems | not flexuous, 6–30 cm. |
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Basal leaves | rosulate or not, 3–5-foliolate, 1–6 cm; terminal leaflets obovate to orbicular or subcordate, 0.3–1.5(2) × 0.25–1.6(1.8) cm, bases obtuse or cordate; margins entire, dentate, or sinuate; lateral leaflets considerably smaller. |
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Cauline leaves | 2–4 below raceme, 3–5-foliolate, bases not auriculate. |
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Inflorescences | with bracts throughout, fruiting pedicels divaricate-ascending; (10)15–30(45) mm. |
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Flowers | sepals oblong, 2–3 mm; lateral pair not saccate; petals obovate, 6–9 × 3–4 mm, purple or pink, not clawed; ovules 14–20 per ovary; styles 2–4 mm. |
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Fruits | 20–30 × 1–1.5 mm, glabrous. |
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Seeds | oblong to ovate, 1.7–2.2 × 1–1.5 mm, distally winged. |
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Cardamine pattersonii |
Cardamine pachystigma |
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Distribution | ||
Discussion | Moist mossy cliffs, rocky slopes, banks. Flowering Apr–Jun. 200–1000 m. CR. Native. Endemic to Oregon. The species is known only from a limited number of collections, all made in northwestern Oregon. |
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Source | Flora of Oregon, volume 2, page 466 Ihsan Al-Shehbaz |
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Sibling taxa | ||
Web links |