Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Cardamine cordifolia Gray
- Family: Mustard (Cruciferae)
- Flowering: June-August
- Field Marks: This species of bitter-cress differs from all others by its simple leaves that are heart-shaped at the base with wavy edges.
- Habitat: Along streams, in fens.
- Habit: Perennial herb from a slender rootstock.
- Stems: Upright, up to 1 1/2 feet tall, smooth or with some soft hairs.
- Leaves: Alternate, simple, ovate to nearly round, up to 3 inches long, often nearly as broad, pointed or rounded at the tip, heart-shaped at the base, smooth or with soft hairs, wavy or toothed along the edges, on slender stalks.
- Flowers: Several in dense racemes, each flower on a slender, spreading stalk up to 3/4 inch long.
- Sepals: 4, green, free from each other, about 1/8 inch long.
- Petals: 4, white, free from each other, about 1/3 inch long.
- Stamens: 6.
- Pistils: Ovary superior.
- Fruits: Pods elongated, very narrow, up to 1 1/2 inches long, about 1/20 inch wide,
containing 8-12 seeds.
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