Eryngium ombrophilum is a plant species native to Brazil, the type specimen collected there from the State of Paraná. Eryngium ombrophilum is a perennial semelparous herb. Leaves are thin but firm and rigid. Prophylls 5, lanceolate, the margins spiny and bristly, about 1 cm (0.3 inches) long. Flower head ovoid to cylindrical, 15 mm (0.6 inches) long and 6 mm (0.24 inches) in diameter. Flowers yellow-green.