Trichomanes kapplerianum Sturm

  • Authority

    Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.

  • Family

    Hymenophyllaceae

  • Scientific Name

    Trichomanes kapplerianum Sturm

  • Description

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    Species Description - Plants colonial, forming mats; rhizome filiform, clothed with minute, brown, hairlike rhizoids. Fronds numerous, densely imbricate; stipes very short or lacking; blades 0.5-2 cm long, variable, the young ones often circular or roundishcordate, the mature ones ovate to oblong, the base usually rounded or cordate, sometimes acute. the apex rounded or with small lobes in which the sori are immersed, the margin otherwise indistinctly or not at all lobed; costa distinct, pinnately branched, the branches 1 - to 2-forked, the upper ones flabellate; all veins excunent to a delicate, discontinuous submarginal veinlet; tissue translucent-membranous, containing a few delicate false veins, those near the margin deflexed into the submarginal veinlet. Sori 1-7; involucres cylindric, immersed, with abruptly flaring green lips.

  • Discussion

    Type. Kappler 1760, from Suriname (W, as cited by Wessels Boer, 1962).

    Syn. Didymoglossum cordifolium Fee, Mem. foug. 11: 113,/. 28, fig. 4. 1866. (Type from Martinique, not seen.)

    Hemiphlebium kapplerianum (Sturm) Prantl, Unters. Morph. Gefasskrypt. 1: 46. 1875.

    Trichomanes muscoides var. cordifolium (Fee) Jenman, Bull. Bot, Dept, Jamaica no, 20: 8. 1890; Fems Brit. W. Ind. 22. 1898.

    Trichomanes muscoides var. minor Jenman, ibid. (Type. Not cited.)

    Trichomanes hookeri var. cordifolium (Fee) Bonaparte, Notes Pter. 7: 337. 1918.

    Trichomanes hookeri var. minor (Jenman) Domin, Pter. Dominica 47. 1929.

    Trichomanes cordifolium (Fee) Alston, Kew Bull. 1932: 306. 1932.

  • Distribution

    General Distribution. Puerto Rico, Lesser Antilles, Trinidad, and northem South America. Distribution in Puerto Rico. Apparently known from but two collections. Adjuntas: Anoyo de los Corchos, 800-900 m, Britton, Cowell& Brown 5272a (S, U S , as cited by Wessels Boer, 1962); "Rio Piedras" (locality probably wrong), J. R. Johnson 1477 (US). Habitat. On tree-trunks and moist shaded rocks at low to rather high elevations, very rare. Further Puerto Rican records are needed.

    Puerto Rico South America| West Indies| Trinidad and Tobago South America| Colombia South America| Ecuador South America| Venezuela South America| Guyana South America| Suriname South America| French Guiana South America| Brazil South America|