- Trevor James, AgResearch / Kerry Bodmin, NIWA
Flowers are solitary, usually less than 5 mm long
- Trevor James, AgResearch
Leaves do not have cross walls (septae)
- Trevor James, AgResearch
Leaves are flat and sword-shaped
- Trevor James, AgResearch
Leaves are hollow, with cross walls (septae) which are often obvious externally
- Trevor James, AgResearch
Capsules taper to tip
- Trevor James, AgResearch
Capsules have a sharp tip (mucronate)
- Trevor James, AgResearch
Capsule slopes to a top with a sharp tip; plant varies from lax to upright
- Trevor James, AgResearch
Leaves are bristle-like, with cross walls only visible internally
- Trevor James, AgResearch
Leaves originate at the base and up the stem, and are usually narrow and often wiry
- Trevor James, AgResearch
Leaves are not reflexed above the sheath
- Trevor James, AgResearch / Kerry Bodmin, NIWA
Capsule is 2.5-3 mm long
- Trevor James, AgResearch / Ros Cole, Department of Conservation
Tepals are 3 mm long or less