Monographs Details:
Authority:
Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Family:
Hymenophyllaceae
Hymenophyllaceae
Description:
Species Description - Rhizome wide-creeping, filiform, loosely clothed with reddish, simple hairs. Stipes mostly 1-3 cm long, broadly winged at least above the middle (often nearly to base), sparsely stellatehairy. Blades ovate to oblong or oblong-oblanceolate, 3-6 cm long, 1.5-2(-3) cm broad; rhachis broadly winged throughout and stellate-hairy; pinnae 6-12 on a side, altemate, deeply pinnatifid, the costae broadly winged; ultimate segments 1-1.3 mm broad, bearing scattered stellate hairs on the veins and bistellate or twice-forked hairs along the margins. Sori terminating segments on apical part of blade; soral valves suborbicular, ca. 1.5 mm long and wide (about as broad as the segments or a little wider), ciliate with forked or twice-forked hairs.
Species Description - Rhizome wide-creeping, filiform, loosely clothed with reddish, simple hairs. Stipes mostly 1-3 cm long, broadly winged at least above the middle (often nearly to base), sparsely stellatehairy. Blades ovate to oblong or oblong-oblanceolate, 3-6 cm long, 1.5-2(-3) cm broad; rhachis broadly winged throughout and stellate-hairy; pinnae 6-12 on a side, altemate, deeply pinnatifid, the costae broadly winged; ultimate segments 1-1.3 mm broad, bearing scattered stellate hairs on the veins and bistellate or twice-forked hairs along the margins. Sori terminating segments on apical part of blade; soral valves suborbicular, ca. 1.5 mm long and wide (about as broad as the segments or a little wider), ciliate with forked or twice-forked hairs.
Discussion:
Basionym. Trichomanes hirsutum Linnaeus, Sp. pL 2: 1098. 1753.
Type. Plumier, Traite foug. Amer., /. 50, fig. B, based on material from an unknown locality, presumably Hispaniola or Martinique.
Syn. Trichomanes ciliatum Swartz, Prodr. 136. 1788. (Type. Swartz, from Jamaica, S, photo US; isotype Herb. Willd. 20222, B.)
Hymenophyllum ciliatum (Swartz) Swartz, J. Bot. (Schrader) 1800(2): 100. 1802.
Sphaerocionium ciliatum (Swartz) K, Presl, Hymenophyllaceae 34. 1844.
Sphaerocionium hirsutum (Linnaeus) K, Presl ibid.
Distribution: