Sphenomeris clavata (L.) Maxon
Descripción
Rhizomes short-creeping, 2 mm diam.; rhizome hairs dark brown, catenate, ca. 1 mm long; fronds 20–60 cm long, 2–3 mm distant; stipes 1⁄3–1⁄2 the frond length, stramineous, glabrous; blades 10–35 X 3–15 cm, 3–4 times pinnate, the rachises subflexuous, pinnae alternate; ultimate divisions distant, linear-cuneate, mostly 10–15 X 1–4 mm at apices, sides entire, the truncate apices sharply dentate if sterile; laminar tissue yellowish green, glabrous; indusia erose-dentate; spores globose with a trilete scar, brownish; 2n=78 (Fla), 76 (Jam).A
Forma de vida
o epipétrica. TerrestreA
Ejemplar revisado
Chis (Breedlove 35362, DS, ENCB, NY).A
Elevación
300 mA
Ecología y Hábitat
Usually on limestone throughout its range, known in Chiapas by a single collection in rain forest, at edge of river.A
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
The small plant size, narrow segments, and terminal pocketlike sori supplied by 1–4 veins serve to distinguish this taxon from Odontosoria.A