Infrequent reproduction yields sparsely branched, columnar plants that rarely exceed three reproductive cycles.
Upright, polycarpic plant to 10 m tall, with trunk to 40 cm in diameter; pith 4–5 cm in diameter; stem bears densely packed leaf-rosettes of 25–80 leaves, without internode elongation; cloaked with marcescent foliage.
Ray florets prominent or inconspicuous to absent; disc florets 100–380.
Inflorescence broadly paniculate to 180 cm tall, 80 cm wide; capitula pendulous.
Leaf lamina lanceolate or cordate, to 65 cm long and 22 cm wide, with lower portion of leaf constricted to form a pseudo-petiole; hair cushion present on upper leaf-base, lanate along upper midvein, lower surface glabrous or tomentose, villose along lower midvein.