Cardamine penduliflora

Illustrator: Yevonn Wilson-Ramsey

Copyright: Flora of North America Association

Perennials; glabrous throughout. Rhizomes (tuberiform, fragile), 4–9(–11) mm diam., (fleshy). Stems erect or decumbent at base, unbranched, 2–6(–7.5) dm. 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. Racemes ebracteate. Fruiting pedicels ascending to divaricate, (10–)20–40(–60) mm. 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. Fruits linear, 2.5–4.5 cm × 1.4–2 mm; ovules 12–24 per ovary; style 4–6 mm. Seeds brown, oblong, 1.8–2 × 1–1.5 mm.

Phenology: Flowering Mar–May.
Habitat: Shallow pools, wet grounds, marshes, meadows, creeks, channels, swampy woods
Elevation: 50-150 m

Distribution

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• Legacy Map

Oreg.

Discussion

Cardamine penduliflora is known from Douglas County north into Benton, Lane, Marion, Polk, and Yamhill counties.

Selected References

None.

Lower Taxa

None.