Monographs Details: Navia
Smith, Lyman B. & Downs, Robert J. 1974. Pitcairnioideae (Bromeliaceae). Fl. Neotrop. Monogr. 14 (1): 1-658. (Published by NYBG Press
Description:Description - Tall amply paniculate herbs to small scapeless cushion-forming types, stemless or caulescent. Leaves numerous, rosulate or in a dense spiral along the stem; sheaths usually ample; blades narrow, sometimes somewhat narrowed toward base, entire or more or less serrulate. Scape usually lacking, rarely well developed. Inflorescence terminal, usually capitate but sometimes paniculate. Floral bracts conspicuous; flowers sessile or subsessile, perfect. Sepals imbricate, the two posterior covering the anterior or rarely the anterior completely lacking, free to high-connate; petals high-connate in a slender tube, naked; blades spreading at anthesis, usually lanceolate and acute; stamens of the second series highly adnate to the petals; anthers linear; ovary usually superior but rarely to wholly inferior, glabrous; style slender; placentae linear; ovules naked or nearly so. Capsule usually dehiscent; seeds reticulate, naked or soon losing the vestigial wing.