Taxon:Alternanthera sessilis (L.) R. Br. ex DC. Family: Amaranthaceae
Collector:
Robert A. Norris
Number:
6653
Date: 1995-09-27
Verbatim Date: Sept. 27, 1995
Locality:
USA, Georgia, Sumter, Just Nof Jury Clarke Rd., 2.1 (odometer) mi. Se of jct. with both State Hwy 195 and Chambliss Mill Rd., ca 9 (air)mi. SE of Anderson Villle, Sumter Co.
32.113079 -84.050628 +-7983m. WGS84
Elevation:
122 meters Verbatim Elevation:
400ft
Habitat:
In shallow depression, sometimes ponded
Substrate:
Soil damp, in Grady series.
Associated Species:
Digitaria sanguinalis, Brachiaria platyphylla, Eclipta prostrata, Sida spinosa, Sida rhombifolia, Xanthium strumarium; Scattered trees, especially sweetgum and willow oak, were mostly dead.
Description:
Headlike spikes dingy white, with light brown tints. Ovary tannish, obcordate, flattened. Seed smooth, lenticular, two-toned--brown and drwonish yellow. Herbage generally darkish green. Some lvs. tinged with a red-purple pigment. Stems, suffused with dark purple toward the base, were weakly ascending to suberect; below, they were prostrate-decumbent, rooting at nodes. Several plants of this sp. growing with dense grass on the roadbank (drier ground) were characterized by elongate, particularly week stems.