Cardamine penduliflora |
Cardamine pattersonii |
|
---|---|---|
wetlands bitter-cress, Willamette Valley bitter-cress |
Saddle Mountain bitter-cress |
|
Habit | Perennials; glabrous throughout. | Annuals or perennials; (short-lived); glabrous throughout. |
Rhizomes | (tuberiform, fragile), 4–9(–11) mm diam., (fleshy). |
cylindrical, slender, 0.5–1.5 mm diam. |
Stems | erect or decumbent at base, unbranched, 2–6(–7.5) dm. |
(simple from base), erect, (not flexuous), unbranched or branched basally, 0.6–3 dm. |
Basal leaves | rosulate or not, 3 or 5-foliolate, 1–6 cm, leaflets petiolulate; petiole 0.4–2.5 cm; lateral leaflets similar to terminal, considerably smaller; terminal leaflet (petiolule 0.1–0.4 cm), blade obovate to orbicular or subcordate, 0.3–1.5(–2.0) cm × 2.5–16(–18) mm, base obtuse to rounded or cordate, margins entire or dentate to slightly sinuately lobed. |
|
Rhizomal leaves | 5–13-foliolate, (4–)10–18(–25) cm, leaflets petiolulate or subsessile; petiole (3–)5–12(–17) cm; lateral leaflets subsessile, blade similar to terminal, sometimes smaller; terminal leaflet (petiolule 0.4–0.7 cm), blade oblong to elliptic or ovate, (0.4–)0.7–1.7(–2) cm, base cuneate or obtuse, margins entire or obscurely 3-lobed. |
|
Cauline leaves | 2–6, 5–11-foliolate, petiolate, leaflets petiolulate or sessile; petiole 3–10 cm, base not auriculate; lateral leaflets sessile, blade similar to terminal, smaller; terminal leaflet (petiolule 0.5–1.5 cm), blade narrowly ovate or oblong to oblanceolate, 1.5–3.5 cm × 2–15 mm, margins entire or toothed to 3-lobed. |
2–4, 3 or 5-foliolate, blade similar to basal, gradually reduced in size as bract, distalmost ones subtending pedicels of flowers (usually simple); leaflet blade or bract linear to linear-oblanceolate, 0.2–0.8 cm. |
Racemes | ebracteate. |
bracteate throughout. |
Flowers | sepals oblong to ovate, 3.5–5 × 1.8–2.5 mm, lateral pair saccate basally; petals white, obovate, 12–16 × 6–8 mm, (not clawed, apex rounded or subemarginate); filaments: median pairs 6–7 mm, lateral pair 4–5 mm; anthers oblong, 1.5–1.8 mm. |
sepals oblong, (2–)3 × 0.7(–1) mm, lateral pair not saccate basally; petals purple or pink, obovate, 6–9 × 3–4 mm, (not clawed); filaments: median pairs 3–3.5 mm, lateral pair 2–2.5 mm; anthers oblong, 0.7–1 mm. |
Fruiting pedicels | ascending to divaricate, (10–)20–40(–60) mm. |
divaricate-ascending, (10–)15–30(–45) mm. |
Fruits | linear, 2.5–4.5 cm × 1.4–2 mm; ovules 12–24 per ovary; style 4–6 mm. |
linear, (torulose), 2–3 cm × 1–1.5 mm; ovules 14–20 per ovary; style 2–4 mm. |
Seeds | brown, oblong, 1.8–2 × 1–1.5 mm. |
brown, oblong to ovoid, 1.7–2.2 × 1–1.5 mm, (winged distally). |
Cardamine penduliflora |
Cardamine pattersonii |
|
Phenology | Flowering Mar–May. | Flowering May–Jun. |
Habitat | Shallow pools, wet grounds, marshes, meadows, creeks, channels, swampy woods | Moist mossy cliffs, rocky slopes, mossy banks |
Elevation | 50-150 m (200-500 ft) | 800-900 m (2600-3000 ft) |
Distribution |
OR
|
OR
|
Discussion | Cardamine penduliflora is known from Douglas County north into Benton, Lane, Marion, Polk, and Yamhill counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Cardamine pattersonii is known from Saddle Mountain and Onion Peak in Clastop County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 481. | FNA vol. 7, p. 480. |
Parent taxa | Brassicaceae > tribe Cardamineae > Cardamine | Brassicaceae > tribe Cardamineae > Cardamine |
Sibling taxa | ||
Synonyms | C. rariflora | |
Name authority | O. E. Schulz: Bot. Jahrb. Syst. 32: 538. (1903) | L. F. Henderson: Rhodora 32: 25. (1930) |
Web links |