Gentiana sedifolia

Gentiana sedifolia is a species of plant in the family Gentianaceae. It can be found from Costa Rica to northern Chile.
Description.
Small herbs with narrow, opposite leaves; leaves up to 0.7 cm long. Small funnel shaped flowers up to 1 cm in diameter, pale blue or violet, with a yellow, white or pale yellow center. Flowers close at night or during cold and cloudy days.
Distribution and habitat.
Bogs at high elevation grasslands (puna and páramo), from Costa Rica to northern Chile. It is present at protected areas such as Cajas National Park, Huascarán National Park and Junín National Reserve.
Vernacular names.
Genciana (Colombia); pinjachi (Bolivia).