Arisaema acuminatum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Araceae
Genus: Arisaema
Species:
A. acuminatum
Binomial name
Arisaema acuminatum
Synonyms[2]
  • Arisaema triphyllum var. acuminatum (Small) Engl.

Arisaema acuminatum is a species of flowering plant in the arum family Araceae.[2] It is a member of the Arisaema triphyllum complex, a group of closely related taxa in eastern North America. The specific name acuminatum means "with a long, narrow and pointed tip",[3] which describes the shape of the spathe hood. The species is commonly known as the Florida Jack-in-the-pulpit.[4]

Description

Arisaema acuminatum is a herbaceous, perennial, flowering plant growing from a corm. Like other members of the Arisaema triphyllum complex, it has three leaflets per leaf. Its spathe hood is wholly green, "over twice as long as broad", with a long-acuminate tip.[5][6]

Taxonomy

Arisaema acuminatum was first described and named by John Kunkel Small in 1903.[1] Its type specimen was collected in Clearwater, Florida,[7] a city on Florida's west coast. At the time, Small believed that the species was endemic to Florida.[5]

Arisaema acuminatum is a member of the Arisaema triphyllum complex, a group of closely related taxa that also includes Arisaema pusillum, Arisaema quinatum, Arisaema stewardsonii, and Arisaema triphyllum. As of March 2023, most authorities consider Arisaema acuminatum to be a synonym for Arisaema triphyllum or A. triphyllum var. acuminatum.[8][9][6][10][11] A few authorities accept Arisaema acuminatum and the other species-level members of the complex.[2][4]

Distribution and habitat

Arisaema acuminatum occurs primarily in Central Florida, hence the common name Florida Jack-in-the-pulpit.[4] Its range extends southward into the Florida peninsula and northward along the coast of eastern Georgia. It is claimed to occur in east Texas as well,[2] but confirmation of that claim is needed.

Conservation

The global conservation status of Arisaema acuminatum is unknown.

References

  1. 1 2 "Arisaema acuminatum Small". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 2 March 2023.
  2. 1 2 3 4 "Arisaema acuminatum Small". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2 March 2023.
  3. ↑ Gledhill, David (2008). The Names of Plants (4th ed.). Cambridge University Press. p. 36. ISBN 978-0-521-86645-3.
  4. 1 2 3 "Arisaema acuminatum Small". Flora of the Southeastern United States (2022 Edition). Retrieved 3 March 2023.
  5. 1 2 Small (1903), pp. 226–227.
  6. 1 2 Ward, Daniel B. (August 2012). "Keys to the flora of Florida - 31, Arisaema (Araceae)" (PDF). Phytologia. 94 (2): 151–158. Retrieved 7 February 2023.
  7. ↑ Small (1903), p. 1328.
  8. ↑ Thompson, Sue A. (2000). "Arisaema triphyllum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 22. New York and Oxford: Oxford University Press. Retrieved 4 March 2023 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  9. ↑ "Arisaema triphyllum". Atlas of Florida Plants. Retrieved 4 March 2023.
  10. ↑ "Arisaema acuminatum Small". The World Flora Online. Retrieved 4 March 2023.
  11. ↑ "Arisaema triphyllum (L.) Schott". Integrated Taxonomic Information System. Retrieved 4 March 2023.

Bibliography

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