Underground flowers (within spathes)<BR>2002 Arlene Mendoza <BR>North Carolina State University<BR>Subterranean flowers begin to  <BR>form by 6 weeks after emergence<BR>Field conditions:  <BR>19 Subterranean <BR>flowers/plant <BR>(Kaul et al. 2002)<BR>Itís the only <BR>Commelina  spp. <BR>in the U.S. <BR>to have spathes  <BR>on rhizomes<BR>