Difference between revisions of "Cardamine longii"
Rhodora 19: 91. 1917.
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|tribe=Brassicaceae tribe Cardamineae | |tribe=Brassicaceae tribe Cardamineae | ||
|genus=Cardamine | |genus=Cardamine | ||
Revision as of 20:23, 24 September 2019
Perennials; glabrous throughout. Rhizomes cylindrical, slender, 0.8–1.5 mm diam. Stems prostrate to decumbent or erect, unbranched or branched, 0.5–4(–6) dm. Rhizomal leaves absent. Cauline leaves 3–10, usually simple, rarely 3 or 5-foliolate, petiolate; petiolulate or sessile; petiole 0.4–2.5 cm, base not auriculate; lateral leaflets (when present) sessile or petiolulate (to 0.2 cm), blade similar to terminal, considerably smaller; terminal leaflet blade orbicular to reniform or ovate to oblong, 0.4–3 cm × 3–20 mm, (somewhat fleshy), base subcordate to rounded or subtruncate, margins entire or repand, rarely undulate, (apex rounded). Racemes ebracteate. Fruiting pedicels divaricate-ascending to spreading, 0.5–2(–4) mm. Flowers: sepals ovate, 0.7–1.2 × 0.5–0.7 mm, lateral pair not saccate basally; petals absent or rudimentary, to 0.7 mm; filaments 0.5–0.8 mm; anthers ovate, 0.1–0.2 mm. Fruits narrowly oblong to linear, (3–)5–10(–15) × 0.8–1.2 mm; ovules 6–22 per ovary; style 0.2–0.5(–1) mm. Seeds light or yellowish brown, oblong or ovoid, 1–1.4 × 0.7–1 mm.
Phenology: Flowering Jun–Sep.
Habitat: Tidal marshes, mud flats, tidal shores of rivers, shallow water, swampy areas, shady rocky crevices covered at high tide
Elevation: 0-10 m
Distribution
Fla., Maine, Md., Mass., N.J., N.Y., N.C., S.C., Va.
Discussion
Selected References
None.