Amphicarpum amphicarpon

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Amphicarpum amphicarpon
Amphicarpum amphicarpon.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Genus: Amphicarpum
Species:
A. amphicarpon
Binomial name
Amphicarpum amphicarpon
(Pursh) Nash
Synonyms [1]
  • Amphicarpum purshii

Amphicarpum amphicarpon, commonly known as peanut grass or Pursh's blue maidencane, is an annual wetland species found in the eastern United States. Its common name honours botanist Frederick Traugott Pursh. [2] It was previously considered to be part of the genus Milium. [3]

Contents

Distribution

It is found along the coastal areas from New Jersey to Georgia. [2] It was previously found within New York state but is now considered possibly extirpated. [3] A single population was discovered on Nantucket in 1988, 240 miles north of its previously known northernmost site. [4]

Description

Amphicarpum amphicarpon grows 1 to 2 feet (0.30 to 0.61 m) tall. Its stems and leaves are bristly and hairy; the leaves ascend. [5]

The plant produces subterranean fruits early in the growing season, which are self-fertilizing (cleistogamous). [4] [6] Later, it produces aerial fruits. [2] It flowers and fruits between August and October. [5]

References

  1. ↑ Haines, Arthur (2011-11-08). New England Wild Flower Society's Flora Novae Angliae: A Manual for the Identification of Native and Naturalized Higher Vascular Plants of New England. Yale University Press. p. 230. ISBN   978-0-300-17154-9.
  2. 1 2 3 "Amphicarpum amphicarpon (Blue Maidencane, Hairy Maidencane, New Jersey Goober-grass, Peanut Grass, Pine-barrens Goobergrass, Pine-barrens Peanut Grass, Pursh's Blue Maidencane) | North Carolina Extension Gardener Plant Toolbox". plants.ces.ncsu.edu. Retrieved 2025-01-07.
  3. 1 2 "Peanut Grass Guide - New York Natural Heritage Program". guides.nynhp.org. Retrieved 2025-01-07.
  4. 1 2 "Amphicarpum amphicarpon (Pursh's blue maidencane): Go Botany". gobotany.nativeplanttrust.org. Retrieved 2025-01-07.
  5. 1 2 "Vascular Plants of North Carolina". auth1.dpr.ncparks.gov. Retrieved 2025-01-07.
  6. ↑ Weakley, A.S.; Southeastern Flora Team (2025). "Amphicarpum Kunth". Flora of the Southeastern United States. Chapel Hill, North Carolina: University of North Carolina Herbarium, North Carolina Biological Garden. Retrieved 5 May 2025.


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