Gyrothyra underwoodiana

Shoot anisophyllous Leaves closely imbricate
Leaf margin entire
Oil-bodies present
Oil-bodies granulose
No microphyllous branches
Vitta absent
Cuticle smooth
Dioicous
Perianth present
Green to reddish brown
Medium: 1.5 - 2.5 mm wide
Elaters bispiral
Oil-bodies colorless
Shoots mostly unbranched
Shoots mainly prostrate
Leaves spreading
Oil-bodies ave 2-12/cell
Trigones not thickened
Leaves succubous
Cell walls evenly thin
Leaves nearly horizontal
Perianth long emergent
Leaves angled to stem
Rhizoids prominent
Underleaves present
Underleaves bilobed
Rhizoids tufted
Dorsal base decurrent
Leaf base not sheathing
Leaves secund
Tinged with bright red
Dark, olive green
Large: 2.5 - 4 mm wide
Rhizoids red
Rhizoids scattered
Perianth plicate
Gemmae present
Gemmae green
Perianth mouth dentate
Leaf tip round
Robust: > 4 mm wide
Gemmae round
Gemmae on elongate shoots
Perigynium present
Capsule valves spiral