Piptochaetium avenaceum

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Piptochaetium avenaceum
Pipto aven.jpg
Photo by Guy Anglin, Atlas of Florida Vascular Plants
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida – Monocotyledons
Order: Cyperales
Family: Poaceae ⁄ Gramineae
Genus: Piptochaetium
Species: P. avenaceum
Binomial name
Piptochaetium avenaceum
(L.) Parodi
PIPT AVEN dist.jpg
Natural range of Piptochaetium avenaceum from USDA NRCS Plants Database.

Common names: Blackseed speargrass, Eastern needlegrass,

Taxonomic notes

Synonym: Stipa avenacea Linnaeus





In the Coastal Plain in Florida and Georgia, Piptochaetium avenaceum is found in live oak groves, open sandy ridges, mesic coastal hammocks, woodland openings, floodplain edges, along creeks, lake slopes, upland mixed forests, mixed pinewoods, open mixed woodlands, annually burned savannas and pine-oak, open stand of shrubs and trees of Ilex vomitoria, and floodplains. [1] Human disturbed areas include roadsides, recreation areas, nature trails, stands of old field pines cleared of underbrush, and along city roads. It has been observed to grow in dry loamy sand, sandy soils, limestone outcrops, calcareous slopes and moist loamy sands. [1]

Associated species include Melica mutica, Festuca, Erigeron, Verbena, Vitis rotundifolia, Rubus trivialis and Ilex vomitoria. [1]


P. avenaceum has been observed flowering and fruiting March through May with peak inflorescence in April.[1][2]

Conservation and management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 1.3 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: July 2015. Collectors: Loran C. Anderson, K. MacClendon, T. MacClendon, Robert K. Godfrey, K. Craddock Burks, Jean W. Wooten, Swallen, George R. Cooley, Joseph Monachino, Gary R. Knight, Brenda Herring, Don Herring, Richard S. Mitchell, H. Kurz, Patricia Elliot, R. Komarek, R. A. Norris, Matt Hils, Annie Schmidt. States and Counties: Florida: Alachua, Calhoun, Escambia, Gadsden, Hernando, Holmes, Jackson, Jefferson, Leon, Liberty, Nassau, Okaloosa, St. Johns, Suwannee, Wakulla. Georgia: Grady, Thomas. Compiled by Tall Timbers Research Station and Land Conservancy.
  2. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 12 DEC 2016