Oenothera heterophylla Spach

• Region

  North America

• Country

  United States of America

• State/Province

  Texas

• County/Municipio

  Bastrop Co.

• Locality

  along SW side of a main road on E side of base, ca. 4.1 airmiles NE of jct. St. Rt. 95 and F.M. 2336 N of Bastrop. Camp Swift Training Center (Texas Army National Guard). Lake Bastrop Quadrangle

• Elevation

  Alt. 158 - 162 m. (518 - 531 ft.)

• Coordinates

  30.2497, -97.2642

• Distribution

  Map all specimens of this taxon

FLORA OF TEXAS
Acme Botanical Services
Oenothera heterophylla Spach
BASTROP CO.: locally common, thousands of individuals
in sandyland herbaceous vegetation on gently rolling
landscape underlain by Eocene sediments of the Calvert
Bluff Formation and generally supporting post oak
woodlands, on soils mapped as deep, moderately well
drained, slightly acid loamy fine sand Aquic Arenic
Paleustalfs (Demona Series), along SW side of a main road
on E side of base, ca. 4.1 aiimiles NE of jet. St. Rt. 95 and F.
M. 2336 N of Bastrop, at N30°14.981\ W097°15.853\
Camp Swift Training Center (Texas Army National Guard).
Lake Bastrop Quadrangle. Elev. 520-530 ft.
Associates included Buchnera floridana, Chamaecrista sp., Cnidoscolus
texanus, Commelina erecta, Digitaria cognata, Eupatorium
compositifolium, Froelichia latifolia, Gaillardia aestivalis, Galactia
volubilis, Gophers, Helianthemum rosmarinifolium, Heterotheca
subaxillaris, Hymenopappus artemisiifolius, Juncus interior, J.
marginatus, Lechea mucronata, Monarda punctata, Nuttallanthus texanus,
Plantago hookeriana, Polygala incamata, Rumex hastatulus, Sabatia
campestris, Vitis mustangensis.
W. R. Carr	#33038
(with Elena Pinto-Torres)
23 May 2013
02578373