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Isoetes ×bruntonii

Scientific Name: Isoetes ×bruntonii

Family: Isoetaceae

Category: Quillwort

Growth: Graminoid

Duration: Perennial

Other Names:

       

Isoetes xbruntonii: A Hybrid Quillwort

Isoetes xbruntonii is a hybrid quillwort resulting from the cross between Isoetes engelmannii and Isoetes hyemalis. It is also known as Brunton's Quillwort.

Taxonomy and Nomenclature

  • Scientific Name: Isoetes xbruntonii D.A. Knepper & L.J. Musselman
  • Family: Isoetaceae
  • Kingdom: Plantae
  • Rank: Species (Hybrid)
  • Parents: Isoetes engelmannii (diploid, 2n=22) and Isoetes hyemalis (tetraploid, 2n=44)
  • Other Possible Hybrids: Isoetes x altonharvillii, Isoetes x brittonii, Isoetes x carltaylori

Considerations for Pets

  • The plant has leaves.

Description

  • Growth Habit: Perennial
  • Height: Reaches 20 to 30 centimeters in height.
  • Leaves: Evergreen and simple.

Cytological Information

  • Isoetes xbruntonii is an apparently sterile triploid with a chromosome number of 2n=33. This is expected, given it being a hybrid between a diploid and tetraploid species.

Distribution and Habitat

  • The plant is found in the Southeastern United States.

Synonyms and Similar Species

  • Other Isoetes species mentioned include: Isoetes appalachiana, Isoetes bolanderi, Isoetes boomii, Isoetes butleri, Isoetes riparia, Isoetes maritima

Related Resources

  • Tropicos database
  • PLANTS Database
  • Interim Register of Marine and Nonmarine Genera
  • PlantSystematics.org
  • DiversityOfLife.org
  • Gymnosperms.org
  • FossilFlowers.org
  • PhytoImages.siu.edu