Monographs Details: Trichomanes hymenophylloides Bosch
Authority: Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Description:Species Description - Rhizome wide-creeping, filiform, 0.2-0.3 mm in diam,, clothed with numerous minute, dark brown, hairlike rhizoids. Fronds numerous, distant, ascending or somewhat pendent, 4-12 cm long; stipes 0.5-3(-4.5) cm long, glabrous, narrowly winged distally. Blades oblong to ovate, 3-10 cm long, 1.5-5 cm broad, acute or abruptly acuminate at apex, very deeply 3-pinnatifid; rhachis narrowly winged; all vascular parts distantly and obscurely glandular-setulose, the setae dark brown and 1- or 2-celled. Pinnae 3-6 pairs, altemate, somewhat ascending, ovate; ultimate segments linear, simple or forked, truncateemarginate at apex, the margins flat; tissue light or dark green, thinly membranous, translucent, glabrous or nearly so. Sori few, terminating proximal veins; involucres narrowly funnelform, twice or more longer than broad, the abmptly flaring mouth neither 2-lipped nor dark-margined; receptacle becoming long-exserted; spores spinulose.
Type. Guilding s.n., from St, Vincent (isotype GH).
Syn. Trichomanes pyxidiferum of Hooker & Greville,
Icon, filic. 2: t. 206. 1831; Jenman, Fems Brit.
W. Ind. 29. 1898, not L., 1753.
Vandenboschia hymenophylloides (Bosch) Copeland,
Philipp. J. Sci. 67: 53. 1938.
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