Triglochin

Triglochin is a plant genus in the family Juncaginaceae described by Carl Linnaeus in 1753.[3][4] It is very nearly cosmopolitan in distribution, with species on every continent except Antarctica. North America has four accepted species, two of which can also be found in Europe: Triglochin palustris (marsh arrowgrass) and Triglochin maritima (sea arrowgrass).[5][6] Australia has many more.[1][7]

Arrowgrass
Triglochium palustris
Triglochin calcitrapa
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Juncaginaceae
Genus: Triglochin
L.
Synonyms[1]
  • Juncago Ség.
  • Lilaea Bonpl.
  • Tristemon Raf. 1819 not Raf. 1838 (Juncaceae) nor Klotzsch 1838 (Ericaceae) nor Scheele 1848 (Cucurbitaceae)[2]
  • Abbotia Raf.
  • Heterostylus Hook.
  • Hexaglochin Nieuwl.

The most widely used common name for the genus is arrowgrass,[8] although these plants are not really grasses. Many of the common names for species make use of the term "arrowgrass", although there are exceptions: T. procera, for example, is commonly known as water ribbons.

Arrowgrasses are used as food plants by the larvae of some Lepidoptera species including the grey chi moth.

Species[1]
formerly included

now in other genera: Bulbine, Cycnogeton and Tetroncium

  • Triglochin alcockiaeCycnogeton alcockiae – Australia
  • Triglochin dubiaCycnogeton dubium – Australia, New Guinea
  • Triglochin huegeliiCycnogeton huegeliiWestern Australia
  • Triglochin linearisCycnogeton lineareWestern Australia
  • Triglochin magellanicaTetroncium magellanicumTierra del Fuego, Falkland Is, Gough I
  • Triglochin maundiiMaundia triglochinoides – Australia
  • Triglochin microtuberosaCycnogeton microtuberosum – Australia
  • Triglochin multifructaCycnogeton multifructum – Australia
  • Triglochin proceraCycnogeton procerumAustralia
  • Triglochin pterocarpaCycnogeton dubium – Australia, New Guinea
  • Triglochin racemosaBulbine semibarbata – Australia
  • Triglochin reflexaTetroncium magellanicumTierra del Fuego, Falkland Is, Gough I
  • Triglochin rheophilaCycnogeton rheophilum – Australia
  • Triglochin triglochinoidesMaundia triglochinoides – Australia

References

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