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Sesbania herbacea

Species category

Agricultural

Common name

bigpod sesbania, Colorado River hemp, hemp sesbania, peatree

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

Rectangular to cylindrical

Size

  • Length 4–5 mm 
  • Width 2–2.5 mm 
  • Thickness 0.8–2 mm 

Color

Reddish-brown to light brown with various black streaks or mottling

Texture

Smooth

Other structures

Small, circular hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is midway of long axis.

Identification notes

Seeds are uniformly thick throughout with rounded ends.

Noxious weed seed categories

State Noxious Weed: Arkansas, Louisiana

AOSA examination list

Included

Nomenclature

Family

Fabaceae

Valid name

Sesbania herbacea (Mill.) McVaugh

Synonyms

Aeschynomene emerus Aubl.
Darwinia exaltata Raf.
Sesbania emerus (Aubl.) Urb. 
Sesban emerus (Aubl.) Britton & P. Wilson 
Sesbania exaltata (Raf.) Rydb. ex A.W. Hill
Sesban exaltatus (Raf.) Rydb.
Sesbania macrocarpa Muhl. ex Raf.

Sesbania herbacea. True seeds that have a small, circular hilum midway on the long axis. Photo by Jim Burce, Colorado State University, Department of Soil and Crop Sciences, 2003.
Sesbania herbacea. True seeds that have a small, circular hilum midway on the long axis. Photo by Jim Burce, Colorado State University, Department of Soil and Crop Sciences, 2003.