Rhizomes short, covered with the persistent bases of the foliage leaves.
Culms to 2 m. Sheaths to 30 cm; ligules to 0.5 mm; blades
to 50 cm long, 2-5 mm wide. Panicles to 50 cm long, about 3.5 cm wide,
contracted; branches to 20 cm, erect. Spikelets 3.5-5.4 mm. Glumesstraight;
lower glumes 2-4.7 mm; upper glumes 3.5-5.4 mm; callus hairs
1/4-1/2 as long as the lemmas; lemmas 3.5-5.2 mm, straight, lightly to
markedly pubescent; paleas 3.5-5 mm, slightly to markedly pubescent;
anthers 2.5-3.1 mm. 2n = unknown.
Calamovilfa curtissii is a rare species, although sometimes locally common.
It is restricted to two disjunct regions in Florida. Most Gulf coast populations
grow in moist flatwoods or adjacent to wet cypress depressions; Atlantic coast
populations occur in interdune swales.