Dianella Lam.
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 biconvex with two short projections on the adaxial edge
Leaves green to yellowish-green
Inflorescence not exceeding the leaves, decurving and congested. Leaves 10–15 mm wide, often yellowish-green. Perianth blue. Filaments yellow. Anthers yellowish-brown. Perennial up to 1 m high forming mats in gregarious colonies which are often extensive. Coast. Stabilized sand dunes Dianella congesta
Inflorescence usually exceeding the leaves, neither decurving nor congested (except when attacked by thrips)