Diplazium lonchophyllum

Stems ascending to erect; scales dark-brown, ovate to lanceolate, margins dentate. Petiole 15–45 cm. Blade deltate-lanceolate, pinnate-pinnatifid, 20–36 × 8–22 cm, broadest at or just above base, acuminate at apex. Pinnae lanceolate-oblong, inequilateral, base cuneate basiscopically, truncate acroscopically, apex acuminate, lobed halfway or more toward costa; basal acroscopic segments of basal pinnae free, margins serrate. Veins pinnate, lateral-veins simple or sometimes forked. Sori elongate, straight, single or double, indusiate; indusia vaulted, thin, erose.

Habitat: Moist wooded slopes
Elevation: lowland; very rare; 0–100 m

La., Mexico, Central America, n South America

Discussion

Central and South American species closely related to Diplazium lonchophyllum, including D. cristatum (Desrousseaux) Alston, D. drepanolobium A. R. Smith, and D. werckleanum H. Christ, are in need of monographic work (R. G. Stolze 1981; A. R. Smith 1981; J. T. Mickel and J. M. Beitel 1988).

Selected References

None.

Lower Taxa