Pitcairnia macrochlamys Mez[as Pitcairnia macrochlamys MEZ]

Observations: —The description is based on a plant collected under the number 52 623 in Chiapas :
The plant is is remarkable for the long, cylindrical capitate inflorescence with white zygomorphic flowers that develop at night and wither by morning. Postfloral the flowers bend downwards,( fig. 24, right). It differs from the type (Pittier 222, Guatemala, U.S. Herb.,fig., 25, left), in the following characteristics:
Scape dense brown fleecy lepidote; Scape bracts all longer than the internodes, with dense brown-fleecy sheath; floral bracts densely imbricate, also at anthesis, long acuminate, the posterior almost keeled and very strong.

Edited from : Mez 1906a. Additamenta monographica 1906 - Originaldiagnosen .