Tillandsia subg. Anoplophytum

Cordeiro, Joel M. P., Almeida, Erton Mendonça De, Santos, Angeline Maria Da Silva & Felix, Leonardo P., 2025, A new species of Tillandsia (Tillandsioideae, Bromeliaceae) endemic to the highland humid enclaves of Northeastern Brazil, Phytotaxa 695 (1), pp. 131-138 : 135

Key to the identification of Tillandsia subg. Anoplophytum in Paraíba, Brazil

1. Blade densely lepidote on both sides, adpressed trichomes completely obscuring the color of the blades......................................2.

1′. Blade with sparse trichomes, trichomes not or only partially covering the greenish color of the leaves .........................................3.

2. Rupicolous plant, erect inflorescence, lanceolate sepals............................................................................................... T. paraibensis

2′. Epiphytic plant, pendulous inflorescence, oval sepals ....................................................................................................... T. gardneri

3. Filiform leaves, densely paniculate and globose inflorescence........................................................................................... T. globosa

3′. Narrowly triangular leaves, cylindrical spike inflorescence .............................................................................................................4.

4. Carinate floral bracts, adaxial sepals connate at the base....................................................................................................... T. stricta

4′. Floral bracts adpressed to the flowers, adaxial sepals free................................................................................................................5.

5. Peduncle exceeding the leaves, pink floral bracts ............................................................................................................ T. tenuifolia

5′. Peduncle shorter than the leaves, greenish floral bracts.................................................................................................... T. areiensis