Rhizomatous perennial to 1.5 m, stems rounded, bearing short branches above, flower clusters crowded at top of stem. Leaves linear-sword-shaped, broad, fibrotic. Flowers blue, style undivided, spathes lanceolate, dry-membranous, translucent with dark keels. Capsules short, 3-winged.
Pending. See Messina (2014).