Cardamine nuttallii |
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Nuttall's toothwort, slender toothwort |
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Habit | Plants perennial, glabrous or pubescent; rhizomes slender, tuberous, segmented, producing fragile segments, ovoid, oblong, or cylindrical, 2–5 mm in diameter, nodes fleshy. |
Stems | erect, 0.5–2(3) dm; simple, bases above ground much wider than attachment to rhizome. |
Rhizomal leaves | simple or 3(5)-foliolate; (3)4–20(25) cm; blades or terminal leaflets reniform, suborbicular; ovate, or oblong; (0.9)1.3–4(5.2) × (0.8)1.2–5(7) cm, often with purple spots, bases cordate to obtuse; margins apiculate-dentate or 5–7-lobed. |
Cauline leaves | 1–3, pinnately or palmately compound, 3(5)-foliolate, bases not auriculate; terminal leaflets ovate, oblong, or linear; (0.5)1–3.5(6) cm; lateral leaflets smaller; entire, dentate, or lobed. |
Inflorescences | bracts 0, fruiting pedicels ascending to divaricate, 1–3.5 cm. |
Flowers | sepals erect, oblong, 3.5–5 mm; lateral pair saccate; petals obovate, 10–15 × 4–7.5 mm, purple to pale pink, rarely white, not clawed; tips rounded; ovules 8–16 per ovary; styles 4–8 mm. |
Fruits | 25–56 × 2–2.3 mm, glabrous. |
Seeds | oblong, 2–2.5 × 1.4–1.6 mm. |
Cardamine nuttallii |
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Distribution | |
Discussion | Damp woods, shaded bottomlands and hillsides, mossy slopes, streamsides. Flowering Mar–Jul. 0–2000 m. Casc, Col, CR, ECas, Est, Sisk, WV. CA, WA; north to British Columbia. Native. |
Source | Flora of Oregon, volume 2 draft Ihsan Al-Shehbaz |
Sibling taxa | |
Synonyms | Cardamine nuttallii var. covilleana, Cardamine nuttallii var. dissecta, Cardamine nuttallii var. gemmata, Cardamine nuttallii var. nuttallii, Cardamine pulcherrima, Cardamine pulcherrima var. pulcherrima, Cardamine pulcherrima var. tenella, Dentaria gemmata, Dentaria tenella, Dentaria tenella var. pulcherrima, Dentaria tenella var. quercetorum, Dentaria tenella var. tenella |
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