Tillandsia andrieuxii (Mez) L. B. Sm.

Tillandsia andrieuxii (Mez) L. B. Smith, Conir Gray Herb. 117: 31. 1937.
Tillandsia Betithayniana var. Andrieuxii Mez, in DC. Monog. Phan. 9; 736. 1896.
Plants stemless or short-caulescent, sometimes branching; leaves subrosulate, 10-15 cm. long, recurving and often more or less secund, covered vrith subspreading cinereous scales; sheaths variable in size, distinct; blades narrowly triangular, acuminate, involute-subulate for most of their length, 8 mm. wide; scape erect or slightly curved, slender, largely obscured by the leaves; scape-bracts erect, densely imbricate, elliptic with foliaceous laminae, membranaceous, subinflated, roseate, lepidote ; inflorescence simple and polystichous-flowered by the reduction of the spikes to a single flower each, densely fusiform or ellipsoid, 2-8-flowered, 5-6 cm. long; axis straight, slender, short, lepidote; primary bracts like the upper scape-bracts but obtuse or apiculate, ample, 35-40 mm. long, much exceeding the sepals; floral bract lanceolate, membranaceous, much shorter than the sepals; flowers erect; sepals lanceolate, acute, membranaceous, 10-30 mm. long; petals linear, tubular-erect; 4-5 cm. long, violet; stamens and pistil exserted; capsule subcylindric, equaling the sepals.
Type locality: "Mexico, ad Chalco in ditione urbis Mexico." Distribution: Central Mexico and Costa Rica.

Tillandsia andrieuxii is a species of flowering plant in the genus Tillandsia. This species is endemic to Mexico.