Cardamine clematitis

Perennials; glabrous throughout. Rhizomes cylindrical, slender, 1–3 mm diam. Stems erect, unbranched or rarely branched distally, (0.8–)1–2.5(–3.5) dm. Rhizomal leaves simple or 3-foliolate, (1.5–)3–8 cm, leaflets petiolulate or subsessile; petiole (1–)2–6 cm; lateral leaflets subsessile, blade similar to terminal, much smaller; terminal leaflet petiolulate (to 1 cm), blade reniform to cordate, (0.5–)1–2 cm, base cordate, margins entire or 3-lobed. Cauline leaves 3–7, 3-foliolate (or distalmost simple), petiolate, leaflets petiolulate or sessile; petiole 0.7–3.5 cm, base auriculate (auricle 0.7–5 mm); lateral leaflets sessile or petiolulate (to 0.5 cm), blade oblong to ovate or oblong; terminal leaflet (petiolule 0.5–1 cm), blade broadly ovate to suborbicular or reniform, 1.5–4 cm × 15–35 mm, margins often 3 or 5-lobed (lobe apex minutely apiculate, glabrous on margin). Racemes ebracteate. Fruiting pedicels divaricate-ascending, (7–)10–17 mm. Flowers: sepals oblong, 2.5–3 × 1–1.5 mm, lateral pair not saccate basally; petals white, oblanceolate, 6–8 × 2–3 mm (not clawed, apex obtuse to subemarginate); filaments: median pairs 3.5–4 mm, lateral pair 2–2.5 mm; anthers ovate, ca. 0.7 mm. Fruits linear, (1.5–)2–3.5(–4) cm × 1.3–1.7 mm; ovules 10–16 per ovary; style 2–4 mm. Seeds brown, oblong, 1.7–2 × 1–1.2 mm.

Phenology: Flowering May–Jun.
Habitat: Wet areas, springs, moist slopes
Elevation: 1300-1800 m

Distribution

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Ala., Fla., Ga., N.C., Tenn., Va.

Discussion

Selected References

None.

Lower Taxa

None.