Neurodium

Plants epiphytic. Stems short-creeping, branched, 2–4 mm diam., not whitish pruinose; scales bicolored, lanceolate, somewhat clathrate, margins dentate. Leaves essentially monomorphic, tufted, narrowed toward apex, to 45 cm. Petiole articulate to stem, greenish, round in cross-section, grooved at base. Blade linear to lanceolate-elliptic, simple, not glaucous, glabrous, margins entire. Veins obscure, in irregular areoles that generally longer than wide and parallel to costa, included veinlets 1–2, simple or forked, free. Sori in nearly continuous, nearly marginal band (coenosorus) in distal 1/2 of blade, sometimes also with 1–3 separate oblong to circular sori proximally; indument filamentous. Spores minutely tuberculate. x = 37.

Distribution

Tropical, North America, Mexico, West Indies, Central America.

Discussion

Species 1 (1 in the flora).

Selected References

None.

Lower Taxa

Neurodium lanceolatum