Dichanthium annulatum (Forssk.) Stapf

• Region

  North America

• Country

  United States of America

• State/Province

  Texas

• County/Municipio

  Starr Co.

• Locality

  between road and southern fenceline just W of Cabin on Las Estrellas Preserve, ca. 0.5 mi W of R.M. 3167 at a point 7-8 roadmiles N of jct. US Rt. 83 at W edge of Rio Grande City. Roma-Los Saenz Quadrangle

• Elevation

  Alt. 88 m. (289 ft.)

• Coordinates

  26.4709, -98.8768

• Distribution

  Map all specimens of this taxon

FLORA OF TEXAS
The Nature Conservancy of Texas
Dichanthium annulatum (Forsk.) Stapf.
STARR CO.: common in mostly herbaceous vegetation in
old root-plowed area on gravelly saline clay (Catarina soils)
on valley flat on gently rolling landscape underlain by
mudstones and claystones of the Catahoula and Frio
formations (undivided), between road and southern fenceline
just W of Cabin Hill on Las Estrellas Preserve, ca. 0.5 mi W
of R. M. 3167 at a point 7-8 roadmiles N of jet. US Rt. 83 at
W edge of Rio Grande City, at N26°28'15.r’,
W098°52,36.3”. Roma-Los Saenz Quadrangle. Elev. 290
ft.
Vegetation dominated by Pennisetum ciliare, Pappophorum vaginatum,
Isocoma coronopifolia, Sporobolus pyramidatus, Varilla texana,
Bouteloua trifida, Acacia famesiana. Other associated included Acacia
rigidula, A. schaffiieri, Gutierrezia texana, Opuntia leptocaulis, O.
lindheimeri, Prosopis reptans.
W. R. Carr
#29242	4 November 2010
03120055