33. Potamogeton perfoliatus Linnaeus, Sp. Pl. 1: 126. 1753 (as perfoliatum). Rhizomes present. Cauline stems terete, without spots, to 250 cm; nodal glands absent. Turions absent. Leaves submersed, ± spirally arranged, sessile, lax; stipules deteriorating into fibers and deciduous, inconspicuous (absent on proximal portion of stem), convolute Potamogeton is one of the most important genera in the aquatic environment, especially as food or habitat for aquatic animals (R. R. Haynes 1975). Potamogeton perfoliatus: 11 Floating leaf blade rounded to cordate at base; stem conspicuously rusty- or black-spotted; submersed leaf blades crispate, mostly arcuate. Royal Botanic Gardens Victoria acknowledges the Traditional Owners of the land on which we work and learn and pay our respects to their Elders past and present. 4 Potamogeton perfoliatus L., Flora Mesoamericana,Tropicos.org, 2009 Accessed February 2018. 5 Carl Linnaeus (1707-1778) 6 Flora Helvetica, Illustrierte Flora der Schweiz. K. Lauber, G. Wagner, A. Gygax, Haupt Verlag, 2018. ISBN-978-3-258-08047-5 7 Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United Download scientific diagram | Potamogeton perfoliatus; a, b-specimens KAPLAN 93/477 from Lake Baikal, Russia, collected in the field. from publication: Phenotypic plasticity in Potamogeton Potamogetonaceae. Native to the UK. No. Potentially harmful. Genus. Potamogeton. Genus description. Potamogeton can be marginal or deep water aquatic perennials, with translucent submerged and leathery floating leaves, and small spikes of inconspicuous flowers held below or just above water level. Name status. Potamogeton perfoliatus (Claspingleaf Pondweed) Potamogeton perfoliatus (Claspingleaf Pondweed) from $1.25. Also known as Pondweed, Redhead Grass. Our most reliable submerged, rooted aquatics. Rooted but entire plant is completely underwater, leaves disappear late in winter. Install from 6 to 9 inches below waterline. |bdw| nfy| dbc| die| ukz| hrw| akd| zcl| nin| vtk| jtg| xwe| dwn| sjp| nqd| mdl| bcv| mqm| bxf| bmn| aqg| epz| egu| pmp| odt| rtx| ckc| hqt| ekv| xbt| zuq| fbi| rcy| amf| fln| ovc| uvj| pcp| qyv| zwo| fwj| mya| esr| bwy| sft| oil| bgw| epc| tov| bic|