1. Sepals, petals, and stamens 4; flowers borne on the wood of previous years (and opening in spring).
T. parviflora
1. Sepals, petals, and stamens 5; flowers borne apically on new shoots (and opening in summer).
T. ramossissima
All species found in Tamarix
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. May 17, 2022. https://michiganflora.net/genus.aspx?id=Tamarix.