Ludwigia bonariensis |
Ludwigia palustris |
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marsh primrose-willow, water purslane |
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Habit | Glabrous, succulent perennial, the stems prostrate, rooting at the nodes. Leaves: Leaves opposite, entire, 2-6 cm. long, the blades ovate-elliptic to obovate, tapered gradually to broad petioles nearly as long. | |
Leaves | Leaves opposite, entire, 2-6 cm. long, the blades ovate-elliptic to obovate, tapered gradually to broad petioles nearly as long. |
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Flowers | Flowers sessile in the upper leaf axils, greenish, 2 mm. long; sepals 4, ovate, persistent in fruit; petals lacking; stamens 4, opposite the sepals, the filaments very short; stigma capitate; ovary inferior, 4-celled. |
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Fruits | Capsule top-shaped, 2.5-4 mm. long, with 2 tiny, lateral bracteoles about half as long. |
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Ludwigia bonariensis |
Ludwigia palustris |
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Flowering time | July-September | |
Habitat | Lakes, marshes, peatlands, shores, and wet meadows. | |
Distribution | Occurring west of the Cascades crest and along the Columbia River in Washington; southern British Columbia to California, east to Idaho, east across the southwestern U.S. and southern Great Plains to eastern North America; also occurring in New World Tropics and Eurasia.
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Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Web links |
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