Species of flowering plant
Espeletia schultzii is a high altitude shrub endemic to the Andes of Venezuela.
Espeletia schultzii his a giant rosette plant, with a large above ground stem (caulescent). It exhibits nyctinasty, folding up its leaves at night to prevent freezing of young leaves in the center of the rosette.[2]
References
Media related to Espeletia schultzii at Wikimedia Commons