Hymenophyllaceae
Trichomanes

Trichomanes rigidum Sw.

First published in Prodr. Veg. Ind. Occ.: 137 (1788)
This species is accepted
The native range of this species is S. Mexico to Tropical America. It is a perennial and grows primarily in the wet tropical biome.

Descriptions

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Colombia
[CPLC]

Distribution
Biogeografic region: Amazonia, Andean, Guiana Shield, Pacific. Elevation range: 200–2440 m a.s.l. Native to Colombia. Colombian departments: Amazonas, Antioquia, Boyacá, Caquetá, Chocó, Magdalena, Meta, Nariño, Norte de Santander, Santander, Valle del Cauca.
Habit
Herb.
[UPFC]

Hymenophyllaceae, Henk Beentje. Flora of Tropical East Africa. 2008

Type
Type: Jamaica, sine coll. s.n. (S, holo., LD, UPS, iso.)
Morphology General Habit
Terrestrial or lithophyte.
Vegetative Multiplication Rhizomes
Rhizome short-creeping or erect, to 3 mm in diameter, with dense brown trichomes to 1 mm long
Morphology Leaves
Fronds tufted, erect, dark green; stipe brown, 1.5–22 cm long, narrowly winged near apex, glabrous or with sparse brown multicellular hairs to 1.5 mm long; lamina ovate to lanceolate in outline, 4–24 × 2–14 cm, 3–4-pinnatifid; rachis narrowly winged in upper part of lamina; pinnae 14–20 on each side, shortly stalked, to 7 × 3 cm; pinnules to 13 on each side, to 1.7 × 0.5 cm; ultimate segments linear, to 0.3 mm wide, attenuate, glabrous on both surfaces
Morphology Reproductive morphology Sori
Sori proximal on the acroscopic side of pinnules, rarely a few on the basiscopic pinnules as well, usually 1 per pinnule, close to costules; indusium narrowly conical, 0.7–1.5 mm long, 0.5–0.7 mm in diameter, not winged, mouth dilated to 0.9 mm, valves entire; receptacle exserted for up to 7 mm
Figures
Fig 13, p30
Ecology
Moist forest where it occurs in dark and wet places such as deeply shaded stream banks, caves, under large rocks; terrestrial or less often lithophytic; may be locally common; 850–2000 m
Conservation
Least concern; widespread
Note
Many older specimens were named Trichomanes mandioccanum Raddi, which is an Asian species. Taton in Bull. Soc. Roy. Bot. Belg. 78: 37 (1946) states T. rigidum sensu Peter, F.D.-O.A.: 14 (1929) is not this taxon, but he does not say which taxon it represents.
Distribution
Flora districts: U2 U4 K7 T3 T6 T7 Range: West Africa from Guinea to Kenya and south to South Africa; Madagascar, Seychelles, tropical America
[FTEA]

Sources

  • Catálogo de Plantas y Líquenes de Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Useful Plants and Fungi of Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0