''Espeletia schultzii'' is a high altitude shrub endemic to the Andes of

Venezuela Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many Federal Dependencies of Venezuela, islands and islets in the Caribbean Sea. It com ...

. ''Espeletia schultzii'' his a giant

rosette Rosette is the French diminutive of ''rose''. It may refer to: Flower shaped designs * Rosette (award), a mark awarded by an organisation * Rosette (design), a small flower design *hence, various flower-shaped or rotational symmetric forms: ** R ...

plant, with a large above ground stem (

caulescent This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary ...

). It exhibits

nyctinasty In plant biology, nyctinasty is the circadian rhythm-based nastic movement of higher plants in response to the onset of darkness, or a plant "sleeping". Nyctinastic movements are associated with diurnal light and temperature changes and con ...

, folding up its leaves at night to prevent freezing of young leaves in the center of the rosette.

References

Millerieae Flora of Southern America Páramo flora Endemic flora of Venezuela Taxa named by Hugh Algernon Weddell Plants described in 1856 {{Asteroideae-stub