Stuckenia pectinata

Stuckenia pectinata (syn. Potamogeton pectinatus), commonly called sago pondweed[1] or fennel pondweed, and sometimes called ribbon weed, is a cosmopolitan water plant species that grows in fresh and brackish water on all continents except Antarctica.

Stuckenia pectinata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Potamogetonaceae
Genus: Stuckenia
Species:
S. pectinata
Binomial name
Stuckenia pectinata
(L.) Böerner
Synonyms

Potamogeton pectinatus L.

Description

Stuckenia pectinata is a fully submerged aquatic plant and does not have any floating or emerged leaves.[2]

The flowers are wind pollinated and the seeds float. Tubers that are rich in starch are formed on the rhizomes. Reproduction can either be vegetative with tubers and plant fragments or sexual with seeds.[3]

Wildlife

The whole plant provides food for different species of waterbirds.

Description
  • Leaves with the typical zigzag-formed stem
    Leaves with the typical zigzag-formed stem
  • Tubers
    Tubers

Stuckenia pectinata has long narrow linear leaves which are less than 2 mm wide; each is composed of two slender, parallel tubes. The main difference from other narrow-leaved pondweeds is that the stipule joins the leaf base, when it is pulled the sheath and stipule comes away, similar to a grass sheath and ligule. The fruits are 3 to 5 mm long.[4]

Ecology

The nutritious tubers are an important food source for waterfowl, including the canvasback, which help disperse the plant.[5]

The plant can become a nuisance weed in waterways such as canals, because it is tolerant to eutrophication.[6]

References
  1. USDA, NRCS (n.d.). "'Stuckenia pectinata'". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 4 December 2015.
  2. "Stuckenia pectinata - Fennel Pondweed". www.flowersofindia.net. Retrieved 2023-06-17.
  3. "Plant Reproduction". Let's Talk Science. 2022-10-28. Retrieved 2023-06-17.
  4. "Sago Pondweed (Stuckenia pectinata)". www.illinoiswildflowers.info. Retrieved 2023-06-17.
  5. "Stuckenia pectinata in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-02-01.
  6. O’Hare, Matthew T.; Baattrup-Pedersen, Annette; Baumgarte, Inga; Freeman, Anna; Gunn, Iain D. M.; Lázár, Attila N.; Sinclair, Raeannon; Wade, Andrew J.; Bowes, Michael J. (2018-04-26). "Responses of Aquatic Plants to Eutrophication in Rivers: A Revised Conceptual Model". Frontiers in Plant Science. 9: 451. doi:10.3389/fpls.2018.00451. ISSN 1664-462X. PMC 5932201. PMID 29755484.
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