UW Burke Herbarium species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Ludwigia palustris

marsh primrose-willow, water purslane
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.
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.
Fruits

Capsule top-shaped, 2.5-4 mm. long, with 2 tiny, lateral bracteoles about half as long.

Ludwigia palustris
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.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
L. hexapetala, L. peploides
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in UW Burke Herbarium yet, or it's listed under a synonym.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers