| Proserpinaca palustris | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Saxifragales |
| Family: | Haloragaceae |
| Genus: | Proserpinaca |
| Species: | P. palustris |
| Binomial name | |
| Proserpinaca palustris | |
Proserpinaca palustris, the marsh mermaidweed or common mermaid-weed,[2][3] is a species of flowering plant in the watermilfoil family (Haloragaceae). It is found in North America, the Caribbean, and Central America.[3]
Description
It has submerged leaves, which are sessile, 2–6 cm (1–2 in) long. They are deeply divided into linear segments and the emergent leaves are simply serrated. It has fruits with concave sides and sharp or winged angles.[4]
Taxonomy
There are two known varieties; P. palustris var. palustris - which has fruits 4-6mm wide, angles wing margined, very rare SE and NW P. palustris var. crebra (Fernald and Griscom) - which has fruits 2-4mm wide, angles not winged, occasional E and NW [4]
Habitat
It grows in swamps, bogs, ponds and marshes.[4]
Gallery
Leaves
Habit
References
- ↑ "Proserpinaca palustris". ipni.org. International Plant Names Index. Retrieved 2018-09-27.
- ↑ USDA, NRCS (n.d.). "Proserpinaca palustris L.". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 2018-09-27.
- 1 2 Weakley, Alan S. (2018), Flora of the Southern and Mid-Atlantic States, working draft of 20 August 2018, University of North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina at Chapel Hill
- 1 2 3 Ann Fowler Rhoads and Timothy A. Block The Plants of Pennsylvania: An Illustrated Manual, p. 494, at Google Books
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