Jh. Heering et al., THE CLASSIFICATION OF A SESBANIA SESBAN (SSP SESBAN) COLLECTION .1. MORPHOLOGICAL ATTRIBUTES AND THEIR TAXONOMIC SIGNIFICANCE, Tropical grasslands, 30(2), 1996, pp. 206-214
A collection of 108 accessions of Sesbania sesban (Fabacea, Papilionoi
deae) was grown in the field and classified using morphological attrib
utes. Numerical analysis resulted in the division of the collection in
to 2 major groups, which corresponded to the different varieties that
exist in the subspecies sesban. The varieties sesban and bicolor could
be distinguished from variety nubica mainly on the basis of their lea
flet number and size, seed size, seed colour and growth habit. The var
iety nubica could be further subdivided into 5 groups by both the aver
age linkage and the Partitioning Around Medoids (PAM) algorithms. The
average linkage algorithm differentiated accessions mainly on the basi
s of quantitative characters, whereas the PAM method used qualitative
attributes for grouping accessions. This classification will assist in
the selection of germplasm for further evaluation and/or breeding.