Dianella Lam.

Filaments not bearded Dianella
Plants without the above combination of characters
Aerial stems more than 15 cm long, usually with scale-like leaves below the green leaves
Cross-section of occluded region of leaf just above the sheath V- or Y-shaped. Perianth greenish white to blue. Filaments yellow. Anthers brownish yellow. Tufted, solitary perennial up to 1.3 m high, with an elongated stem, sometimes branching in the leaf sheaths. Blue Mts; Hornsby Plateau. DSF Dianella caeruleaproducta
Cross-section of occluded region of leaf just above the sheath biconvex with two short projections on the adaxial edge