; 0 rosulate stemless lithophytic or very rarely epiphytic herbs, flowering 2–4 m tall, with solitary tank rosettes to 1.7 m in diameter. leaves numerous; sheath brown to light brown on the adaxial surface, dark brown on the abaxial surface, widely elliptic to widely ovate, 10–25 cm long, 10–16 cm wide, densely brown punctulate-lepidote on both surfaces; blade green, paler beneath, strap-shaped, 60–120 cm long, 8–15 cm wide at the base, punctulate-lepidote on both surfaces, acuminate, erect to ascending. inflorescence terminal, erect, compound, once branched, with 15 to 30 spikes, peduncle terete, to 1 m long, 2.5–3 cm in diameter, partially covered by the bract sheaths; peduncle bracts not imbricate, green, foliaceous, similar to the basal leaves; sheath 5–6 cm long, blades 5–7 cm long; spikes compressed, oblong, 14–25 cm long, 5–7 cm wide, long stipitate, stipes strongly curved, 15–36 cm long, 8–10 mm in diameter, bracteate, slightly compressed; primary bracts vaginiform, ovate-triangular, 5.5–7 cm long, 4.5–5 cm wide, acuminate; floral bracts dark green, widely elliptic, 3.5–4 cm long, 1.6–2 cm wide, imbricate but the rachis visible after anthesis, nervate, ecarinate, glabrous outside, brown punctulate-lepidote inside, margin erose, apex obtuse to rounded. flowers distichous, erect, 15–20 per spike, actinomorphic, corolla helicoiform, subsessile, pedicels strong, to 1 mm long; sepals free, green, ovate to triangular, 3.4–4 cm long, 1.4–1.6 cm wide, ecarinate, glabrous outside, brown-punctulate lepidote inside, margin erose, apex rounded to acute; petals light green with brown-purple dots, oblong, strap shaped, twisted, 10.3–10.5 cm long, 9–10 mm wide, rounded at the apex. stamens subequal, filaments free, light green to white, filiform, 10–11 cm long, anthers green to green-whithish, linear, curved, 9–12 mm long. pistil: ovary green, ovoid, 9–11 mm long, ca 6 mm in diameter, style green, filiform, 10–11 cm long, stigma green. fruits green, fusiform, rostrate, 46.5 cm long, 6–7 mm in diameter; seeds dark brown, fusiform, ca 5 mm long, with a white coma ca 4 cm long.Edited from : Kromer et al. 2012. Taxonomic and Nomenclatural status of the Mexican species In the Tillandsia viridiflora complex (Bromeliaceae) .