Northern Prairie Wildlife Research Center
Western Wetland Flora
Field Office Guide to Plant Species
Rorippa curvisiliqua (Hook.) Bessey ex Britton
- Family: Mustard (Cruciferae)
- Flowering: March-November
- Field Marks: This species has deeply pinnately divided leaves flowers with 4 small yellow petals, and a strongly curved pod.
- Habitat: Most damp or wet areas.
- Habit: Annual or biennial herb with fibrous roots.
- Stems: Upright, much branched, up to 1 foot tall, smooth.
- Leaves: Alternate, deeply pinnately divided, up to 3 inches long, the lobes lanceolate to oblong, toothed or unsoothed, smooth.
- Flowers: Several in short, axillary racemes; each flower on a stalk up to 1/4 inch long.
- Sepals: 4, green, free from each other, up to 1/12 inch long.
- Petals: 4, yellow, free from each other, up to 1/12 inch long.
- Stamens: 6.
- Pistils: Ovary superior, smooth.
- Fruits: Pods linear, strongly curved, up to 1/2 inch long, containing many brown seeds.
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