Tillandsia achyrostachys (Morren and Baker, 1889) is a perennial plant in the genus Tillandsia.
The name straw-eared refers to the wrinkled cover leaves.
The plant is stemless, 40 cm high with a flower stalk, and the leaves form an erect rosette.
The leaf bases are oblong-ovate, 2–3 cm wide, 4–6 cm long, and gray scaly in colour.
The leaves are erect, slightly curved at the top, narrow lanceolate in shape, measuring 20 cm long and 2 cm wide above the base.
The flower stalk is upright, bare, 15 cm long, and 3 to 5 mm wide.
The inflorescence is a simple ear, flattened on both sides, ranging from 15 to 20 cm long and 2 cm wide.
The cover leaves are densely potted, oval, pointed, 4 cm long, 2 cm wide, membranous, and ashy, red or greenish red.
The flowers are upright, indoors, 4–6 cm long, and green, with protruding anthers. The petals form a narrow tube, 4 cm long.The cup leaves are lanceolate, long, and pointed.
It is reminiscent of a small T. califann in a flowering state.
Mexico, up to 2000 m.
The plant prefers moderate water but not too dry, light shade.