Adiantum terminatum Kunze ex Miq.
Descripción
Rhizomes short-creeping, 2–3 mm diam.; rhizome scales atropurpureous, 1–2 X 0.2–0.3 mm, entire or denticulate; fronds 2–5 mm apart, 30–50 cm long, arching; stipes atropurpureous, lustrous, to 30 cm X 1–1.5 mm, 1⁄2–2⁄3 the frond length, with scattered small scales 1–2 mm long, glabrescent; blades deltate, 2-pinnate, ca. 15 X 18 cm, each blade with a conform terminal pinna; rachises castaneous to atropurpureous, with linear to lanlanceolate, denticulate scales to 1.5 mm long; pinnae 2–5 pairs, alternate, stalked to ca. 5 mm; pinnules oblong, 1.3–2.5 X 0.4–0.6 cm, sessile to short-stalked up 1 mm, non-articulate; veins free, forking, ending in sharp teeth; indument of numerous golden, septate hairs 1–1.5 mm long abaxially, glabrous adaxially; idioblasts present, especially prominent adaxially; sori to ca. 8–10 pairs along acroscopic margins and also distal half of basiscopic margins; indusia 1–2 mm long, oblong, with golden hairs like those of blades, but shorter, to ca. 0.5 mm long.A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 38988, DS).A
Elevación
350 mA
Tipo de vegetación
Selva alta, Selva medianaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Most of the Chiapan specimens cited by Smith (1981) as this species we now refer to other taxa: Breedlove 26534 (NY) is a mixed collection of A. tetraphyllum and A. trichochlaenum; Breedlove 26564 (NY) and Breedlove 32898 (DS, NY) are A. trichochlaenum.A