Deuterocohnia

Deuterocohnia is a genus of flowering plants in the family Bromeliaceae, subfamily Pitcairnioideae. Native to South America, specifically found in Bolivia, Argentina, and Paraguay, these terrestrial bromeliads are characterized by their rosette-forming habit and often spiny, succulent leaves. They are adapted to arid and semi-arid environments, typically found in rocky slopes and open woodlands.

The plants in the genus Deuterocohnia generally possess a xerophytic morphology, allowing them to withstand extended periods of drought. Their leaves are often heavily armed with spines along their margins, likely as a defense mechanism against herbivores. The inflorescences are typically spicate or racemose, bearing flowers that can range in color from greenish-yellow to white or pale shades.

Deuterocohnia species are not widely cultivated, but they are of interest to bromeliad enthusiasts due to their unique appearance and adaptability to dry conditions. They require well-draining soil and infrequent watering when grown as ornamentals. Taxonomic studies have contributed to revisions within the genus, distinguishing species based on floral and leaf characteristics. Further research is ongoing to fully understand the relationships within the genus and its adaptations to its native environments.