Tillandsia heptantha Ruiz & Pavon  (Treated as probably Tillandsia straminea)[as Tillandsia heptantha ]

Diagnose: —T. spica septemflora disticha, petalis albis apice violaceis, foliis ensiformi-subulatis acutissimis. PLANTA perennis, prolibus nonnullis aggregatis. RADIX fibrosa. SCAPUS subpedalis, erectus, simplicissimus , squamis oblongis, semiamplexicaulibus, acutis. FOLIA sibi invicem incumbentia, subimbricata ensiformi-subulata, acutissima, canaliculata, utrinque incana, snb-tomentosa, integerrima. SPICA terminalis, simplicissima, subseptemflora. FLORES distichi, sessiles, bractea lanceolato-oblonga, concava, purpureo-violacea. PETALA alba, apice violaceo. CAPSULA oblonga, obsolete trigona, basi acuta, pappo capillari, multiradiato, rufa. SEMINA oblonga. HABITAT in Peruviae praeruptis calidis, ad Tarmae et Huanuci Provinciarum tractus supra saxa et arbores. FLORET Junio, Julio et Augusto.

Translated by Butcher from: Ruiz & Pavon 1798. (protologue) Bromeliaceae in Florae Peruvianae et Chilensis prodomus.