Monographs Details: Adiantum wilsonii Hook.
Authority: Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Scientific Name:Adiantum wilsonii Hook.
Description:Species Description - Rhizome short- to long-creeping, densely clothed with yellow- or orange-brown, linear to lanceolate, clathrate scales 0.5-1 mm long, these with minutely denticulate and ciliolate margins. Fronds few, erect, closely distichous, 20-50 cm long; stipes lustrous purple-black, 12-40 cm long, much longer than the blades, sparsely appressedpubescent with brown hairs. Blades broadly ovate, with 1-3 pairs of pinnae and an equally large terminal one; rhachis and pinna-stalks appressed-pubescent; lateral pinnae curved-lanceolate to ovate, 6-12 cm long, 2-4.5 cm broad, acuminate and more or less falcate at apex, and truncate, rounded, or cordate at the somewhat inequilateral base, on stalks 1-4 m m long; sterile margins inegularly senate; fertile margins entire; veins immersed, partly anastomosing, partly free; tissue dark green, firm or subcoriaceous. Indusioid flap dark brown, entire, bearing minute whitish linear cystoliths.


Type. N. Wilson, from near Bath, Jamaica (K, photos G H , US).

Distribution:Mexico North America| Central America|