Sensitive plant

Mimosa pudica (family Fabaceae). This is a very cool plant! I will have to take a tripod and post a video of this plant, so named because the compound leaves fold inward and droop when touched. They reopen a short time later.

Species page at PhytoImages, http://phytoimages.siu.edu/cgi-bin/dol/dol_terminal.pl?taxon_name=Mimosa_pudica&rank=binomial

Photo taken at SIUC Plant Biology Greenhouse, http://www.plantbiology.siu.edu/facilities/plant-biology-facilities/greenhouse/index.php

One year ago (“‘Untitled’ (or perhaps ‘Stringy, purple flowers’)”): http://365project.org/rhoing/365/2012-05-31
Two years ago (“Screened-in egglings”): http://365project.org/rhoing/365/2011-05-31