Schoenoplectus subterminalis

Schoenoplectus subterminalis is a species of flowering plant in the sedge family known by the common names water bulrush, water club-rush, and swaying bulrush. It is native to North America, where it is known from many parts of the Canada and the United States. It has been common in the northeastern US and eastern Canada as well as the Great Lakes region, as well as many locations in the mountains of the West, though apparently absent from the Southwest and from most of the Great Plains.[1][2][3][4][5]

Water bulrush, water club-rush
Herbarium specimen
University of California Berkeley
collected in Yosemite National Park
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Schoenoplectus
Species:
S. subterminalis
Binomial name
Schoenoplectus subterminalis
(Torr.) Soják
Synonyms[1]
  • Scirpus subterminalis Torr.
  • Scirpus subterminalis var. terrestris Paine
  • Scirpus subterminalis f. terrestris (Paine) Fernald

Schoenoplectus subterminalis grows in moist and wet habitat, and often grows in shallow water, sometimes entirely submerged. It is a perennial herb forming mats or tufts of very narrow cylindrical stems easily exceeding one meter long. There is a rhizome and sometimes tubers grow on it. When the plant grows in water only the inflorescences and the tips of the leaf blades break the surface. The inflorescence is generally a single cone-shaped spikelet at the end of the stem accompanied by a stiff, stemlike bract.[6]

References
  1. "Kew World Checklist of Selected Plant Families". Retrieved 13 June 2017.
  2. Flora of North America, Vol. 23 Page 54, Schoenoplectus subterminalis (Torrey) Soják, Cas. Nár. Mus., Odd. Prír. 140: 127. 1972.
  3. "Biota of North America Program, 2013 county distribution map". Retrieved 13 June 2017.
  4. "USDA Plants Profile". Retrieved 13 June 2017.
  5. Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew.
  6. "Jepson Manual Treatment". Regents of the University of California. University of California, Berkeley. 1993.


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