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Hemarthria altissima

Common Name: limpograss

Family: Poaceae

Common Synonyms: Manisuris altimissima

USDA Hardiness Zone: 8a-11

Growth Habit: Graminoid

Origin: Tropical Africa, southwest Europe

FISC Category: 2

FDACS Listed Noxious Weed: No

Introduction Date: Earliest Florida specimen available vouchered in 1990

IFAS Assessment:

  • North: OK
  • Central: OK
  • South: OK
Hemarthria altissima
Katy NeSmith

Description

Limpograss is a perennial grass that forms dense mats from creeping rhizomes. The inflorescences are diminutive and inconspicuous. The grass can have a red coloration on blade tips.

Habitat

Alongside permanent streams, swamps, canals, irrigation ditches, flatwoods and other wet areas.

Comments

Planted as a forage for cattle.

Map of species distribution

Control Methods

  • Manual: NA
  • Chemical: Foliar (96 fl oz/ac/year aquatic imazapyr). Imazapyr provides best control 9-12 months after treatment under dry and flooded conditions. However, repeat treatments when dry should include glyphosate (2% glyphosate+ 0.5% imazapyr). [IFAS]
  • Biological: NA

Control Notes

NA

References

Hyde, M.A., Wursten, B.T. and Ballings, P. 2014. Hemarthria altissima: Details. http://eol.org/pages/1114965/details. Accessed June 13, 2017.

NRCA-USDA. 1997. Planting Guide: Hemarthria altissima. https://www.nrcs.usda.gov/Internet/FSE_PLANTMATERIALS/publications/flpmcpgheal.pdf. Accessed June 13, 2017.

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