Pterocaulon virgatum (L.) DC.

• Region

  North America

• Country

  United States of America

• State/Province

  Texas

• County/Municipio

  Brazoria Co.

• Locality

  Corn Whiskey Unit adjacent to SW corner of Nash Prairie hay meadow, ca. 0.5-0.6 airmiles W of Co. Rd. 25 from a point ca. 0.2-0.3 roadmiles S of its jct. with Co. Rd. 255, ca. 10 mi N of East Columbia. Otey Quadrangle

• Elevation

  Alt. 12 - 14 m. (39 - 46 ft.)

• Coordinates

  29.2507, -95.6076

• Distribution

  Map all specimens of this taxon

us
313
FLORA OF TEXAS
The Nature Conservancy of Texas
Pterocaulon virgatum (L.) DC.
BRAZORIA CO.: stems erect, 2-3 ft. tall; disk corollas
tawny; rare in herbaceous vegetation in formerly cultivated
field on soils mapped as Edna fine sandy loam and Bemard-
Edna complex, on level coastal prairie landscape underlain
by Beaumont Formation, Com Whiskey Unit adjacent to
SW comer of Nash Prairie hay meadow, ca. 0.5-0.6 airmiles
W of Co. Rd. 25 from a point ca. 0.2-0.3 roadmiles S of its
jet. with Co. Rd. 255, ca. 10 mi N of East Columbia, at
N29°15’02.6”, W095°36’27.3”. Otey Quadrangle. Elev. 40-
45 ft.
Associates included Eryngium yuccifolium, Galactia longifolia, Gaura
sp., Helianthus angustifolius, Neptunia lutea, Panicum coloratum,
P asp alum plicatulum, Paspalum urvillei, Passiflora incamata, Rudbeckia
hirta.
W. R. Carr	#29929	8 August 2011
(with David Rosen)
03176562