Cyanea remyi, a member of the Campanulaceae (bellflower) family, is a shrub 0.9 to 2 m (3 to 6.6 ft) tall with generally unbranched stems 1 to 2.5 cm (0.4 to 1.0 in) in diameter. The stems are erect, unarmed (lacking prickles), dark purple and hairy toward the apex, and brown and hairless below. The leaves are broadly elliptic, egg-shaped, or broadly oblong, and 16 to 40 cm (6 to 16 in) long and 9.5 to 19.5 cm (3.7 to 7.7 in) wide. The upper leaf surface is green, glossy, and hairless. The lower leaf surface is whitish green and glossy with scattered short white hairs on the midrib and veins. The leaf margins are hardened and slightly toothed. The inflorescence rises upward, contains 6 to 13 flowers, and is covered with short white hairs. The dark maroon sepal lobes are triangular or narrowly triangular, spreading or ascending, and 5.1 mm (0.2 in) long and 1 to 2 mm (0.04 to 0.08 in) wide. The tubular flowers, 50 mm (2 in) long, have two lips, are dark purple (shading to purplish white at the apex of the lobes on their inner surface), and are densely covered with short white hairs. The flower tube is curved, 30 to 31 mm (1.2 to 1.22 in) long and 5 to 5.5 mm (0.2 to 0.22 in) in diameter. The staminal column is slightly protruding. The maroon or dark purple fruit is a round berry, 10 to 13 mm (0.4 to 0.5 in) in diameter, with orange flesh and small projections on the outer surface.