![](http://www.alamy.com/thumbs/6/A83B8C97-B7C4-4F60-AD86-3EFA2E60E929/2BTW0XY.jpg)
Senna viminea L HS Irwin Barneby.
Size: 1291px × 1936px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: botany, building, herbarium, history, institution, museum, national, natural, nhb, nmnh, smithsonian, specimens