Asplenium aethiopicum (Burm. f.) Bech.
  • Candollea


Cite taxon page as 'WFO (2020): Asplenium aethiopicum (Burm. f.) Bech. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001108088. Accessed on: 27 May 2020'

General Information

3. Asplenium aethiopicum (Burm. f.) Bech., Candollea 6: 22 (1935).

Por C.D. Adams.

Trichomanes aethiopicum Burm. f., Fl. Indica 32 [err. 28] (1768). Holotipo: Sudáfrica, Burmann 248 (G).

Asplenium praemorsum Sw.

Epífitas o rupícolas; rizoma 2-4 x 0.2-0.6 cm, erecto, cortamente rastrero o ascendente, con muchas raíces alambrinas; escamas desde diminutas hasta 9 x 0.5 mm, menos abundantes en el haz, cubriendo abundantemente el pecíolo, el raquis, las costas y la lámina en el envés, deltado-lineares a piliformes, atenuadas hacia el ápice, aplanadas, clatradas, pardo-cobrizo vivo a negras, lustrosas, los márgenes pálidos, enteros, esparcidamente denticulados o cortamente lobados, la base auriculada redondeada, el ápice 1-costado, en su mayoría piliforme; hojas 10-50(-60) x 2.5-11 cm, en fascículos compactos o abiertos o próximas entre sí, monomorfas; pecíolo 4-20(-30) cm x 0.9-1.8 mm, a menudo curvado en la base, aplanado o sulcado adaxialmente, pajizo o gris-pardo, ligeramente lustroso, quebradizo sin dejar fibras vasculares; lámina 6-33 x 2.5-11 cm, 2-pinnado-pinnatífida, lanceolada a oblonga, truncada y escasamente angostada en la base, acuminada hasta un ápice pinnatífido no similar en forma a las pinnas laterales; raquis redondeado y negro-púrpura lustroso abaxialmente, los márgenes verdes y gruesos, confluentes adaxialmente con los márgenes basiscópicos de las pinnas; pinnas 7-16 pares, 1.5-6 x 0.4-2.5 cm, las más largas las medias, oblicuamente deltadas a oblongas, más desarrolladas en el lado acroscópico, pediculadas, los pedículos cartilaginosos hasta 2 mm; costas inconspicuas; pínnulas acroscópicas proximales hasta 23 x 14 mm, cuneadas o flabeladas, profundamente 2-3-lobadas; pínnulas distales 1-3 pares a lo largo del margen costal ensanchado, verde-amarillento a verde-grisáceo, discoloras, subcoriáceas, a menudo corrugadas cuando secas, cuneadas, sésiles, los márgenes proximales enteros, excavados, reflexos, el ápice truncado, irregularmente inciso y crenado-dentado; nérvulos 2-3-bifurcados, subflabelados, conspicuos por lo menos en el envés, terminando en hidatodos inconspicuos y lineares; soros 2.5-9 mm, rectos; indusio 0.3-0.5 mm de ancho, verde, tornándose pardo-amarillento brillante, hialino, entero, abriéndose en la madurez; esporas pálidas, elipsoide-reniformes, con crestas gruesas interrumpidas y cerebriformes. Bosques montanos. Ch (Breedlove 27222, MEXU); G (Molina R. et al. 30267, MO); H (Yuncker et al. 5612, K); ES (Standley 21606, US); N (Williams et al. 27748, F); CR (Tonduz 1095, BR); P (Caballero 168, MO). 800-2700 m. (México, Mesoamérica, Colombia, Venezuela, Guyana, Ecuador, Galápagos, Perú, Bolivia, Brasil, Paraguay, Argentina, Antillas, Trinidad, África tropical y sur.)

  • Provided by: [D].Flora Mesoamericana
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    Plants 25-45 cm tall. Rhizome short, erect to shortly creeping, scaly; scales dark reddish brown to black, narrowly triangular with a long filiform apical tail. Fronds caespitose; stipe 5-15(-22) cm, adaxially grayish green and sulcate, abaxially dark brown to black, with many reddish to dark brown, narrowly triangular scales with a long filiform apex; lamina narrowly ovate to narrowly triangular, 10-28 × 4.5-8 cm, apex acuminate, pinnate-pinnatifid to 2-pinnate; pinnae 10-15 pairs, subopposite or alternate, lower 1 or 2 pairs slightly reduced, subsessile, trullate-rhomboid with 1 or 2 (almost) free pinnules at base, 2.5-4.5 × 1-2.5 cm, base asymmetrical, broadly cuneate, apex acuminate; pinnules 2-4 pairs, obtrullate-elliptic or subflabellate, 4-12 × 2-5 mm, margin dentate, lateral sides entire, apex obtuse. Venation subflabellate, obvious abaxially, veins slender and forked, not reaching margin, costa grooved adaxially. Fronds leathery, adaxially dark green when dry and often grooved, abaxially brownish green, with reddish brown, fibrillose scales, subglabrous when old; rachis green but often becoming dark toward base abaxially, adaxially sulcate and densely scaly with fibrillose scales. Sori 2-5 per segment, linear, 3-8 mm, median on subtending veins; indusia grayish yellow, linear, membranous, entire, opening toward major veins or to costa, persistent. Plants polyploid, sexual or agamosporous.

  • Provided by: [E].Flora Of CHina @ efloras.org
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    • 2
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    Morphology

    Rhizome ascending or creeping, set with ferrugineous to atrocastaneous rhizome scales. Fronds tufted, set with numerous scales, with long hair points. Pinnae deeply pinnatifid into more than 5 lobes, acute to caudate. Sori of irregular lengths, up to 9 mm long.

  • Provided by: [C].e-Flora of South Africa
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    Terrestrial, epilithic or low-level epiphyte. Rhizome creeping, prostrate to suberect, with light brown to dark brown or blackish scales. Fronds tufted, arching, variable, deeply 2-pinnatifid to 3-pinnate, lamina ovate to very narrowly lanceolate, 60-250 x 35-140 mm, basal pinnae usually reduced, subglabrous adaxially, abaxial surface sparsely set with small twisted scales; pinnae ovate to narrowly lanceolate, apex sharply acute to acuminate, margins irregularly serrate; rachis and stipe dark brown, densely covered with hair-like scales, becoming subglabrous with age. Sporangia in linear, indusiate sori borne closely packed along veins.

  • Provided by: [C].e-Flora of South Africa
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    Plants terrestrial or epilithic. Rhizome short-creeping, sparsely branched, to 60 mm long, to 4 mm in diameter, closely set with roots, persistent stipe bases and scales, scales chartaceous, atrocastaneous to ferrugineous, clathrate, sessile, subulate, cordate-imbricate, usually with a few short, multicellular outgrowths near the base, entire towards the apex, apex terminates in an oblong thin-walled cell, to 5 mm long, to 0.7 mm wide. Fronds closely spaced, suberect to arching, to 250 mm long; stipe atrocastaneous, adaxially sulcate, to 100 mm long, to 2 mm in diameter, densely scaled initially, scales chartaceous, castaneous to ferrugineous, clathrate, sessile, subulate to filiform, cordate to cordate-imbricate, usually with short or long filiform outgrowths terminating in a gland-like cell at the base, entire towards the apex, apex terminates in an oblong thin-walled cell, to 5 mm long, to 0.5 mm wide; lamina anadromous, to 2-pinnate, narrow elliptic, to 170 mm long, to 70 m wide, with up to 10 petiolated pinna pairs; rachis firm, castaneous, sulcate adaxially, initially closely set with scales similar to, but smaller than, those on the stipe; pinnae petiolate, petiole to 2 mm long, opposite to alternate, basally slightly more widely spaced, often overlapping apically, basal two to three pairs gradually reduced, firmly herbaceus, narrowly to broadly trullate, to 45 mm long, to 26 mm wide, generally with a single petiolated pinnule pair; pinna-rachis sulcate adaxially, sulcus confluent with that of the rachis, initially densely scaled, scales similar to those on the rachis; pinnules alternate, sessile, narrowly to broadly cuneate, rhomboid or oblong, 14 mm long, to 7 mm wide, divided into oblong segments, irregularly dentate, adaxially initially sparsely scaled, scales chartaceous, ferrugineous, sessile, filiform, cordate, mostly with one or more gland-like cells at the base, entire towards the apex, apex terminates in an oblong thin-walled cell, to 2 mm long, to 0.3 mm wide, abaxially sparsely scaled, scales chartaceous, castaneous to ferrugineous, clathrate, sessile, subulate to filiform, cordate, usually with short and/or long outgrowths at the base, terminating in an oblong thin-walled cell, apex entire, terminating in an oblong thin-walled cell, to 3 mm long, to 0.4 mm wide. Venation obscure, flabellate, cordate to cordate-imbricate, margins regularly set with short and long filiform outgrowths terminating in an enlarged obovate thin-walled cell, usually with a few glandular cells near the point of attachment, apex terminates in an enlarged obovate thin- walled cell, to 13 mm long, to 1.5 mm wide. Fronds crowded, caespitose, suberect to arching, to 740 mm long; stipe firm, castaneous, adaxially sulcate, to 200 mm long, to 4 mm in diameter, initially closely scaled, scales chartaceous, dark brown, clathrate, sessile, linear to filiform, cordate to cordate-imbricate, margins regularly set with short and long filiform outgrowths terminating in an enlarged obovate thin-walled cell, to 5 mm long, to 0.2 mm wide; lamina anadromous, 1-pinnate, elliptic, to 530 mm long, to 280 mm wide, with up to 14 petiolated pinna pairs; rachis firm, adaxially sulcate, green, brown abaxially, sparsely set with scales similar to those on the stipe; pinnae petiolate, petiole to 2 mm long, opposite to alternate, basally more widely spaced than apically, the 2-3 basal pairs generally gradually reduced, firmly herbaceous, inequilaterally oblong-cuneate to narrowly lanceolate, acroscopically truncate to broadly cuneate, basiscopically narrowly cuneate, dentate, to 150 mm long, to 25 mm wide, adaxially glabrous, abaxially with scattered scales along the costa and veins, scales chartaceous, castaneous, sessile, filiform, with short filiform outgrowths and enlarged thin-walled cells at the point of attachment, apex terminates in an enlarged oblong thin-walled cell, to 1.5 mm long, to 0.4 mm wide; costa adaxially raised, convex. Venation evident, pinnately branched, branches forked, ending in the teeth near the margin. Sori linear, extending along the vein, to 5.5 mm long; indusium firmly herbaceus, stramineous, linear, entire, attached along the entire length, to 5.5 mm long, to 0.3 mm wide; sporangium long-stalked, simple, uniseriate, 3-seriate below the capsule, capsule globose in lateral view, with (20-)21(-24) indurated annulus cells, epistomium 2(-3)-celled, hypostomium (4-)6(-7)-celled. Spores 32 per sporangium, brown, broadly elliptic to subcircular, monolete, with low reticulate ridges and wings, (48-)53.7(-60) x (42-)47.6(-56) µm.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
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    Plants terrestrial or epilithic. Rhizome short-creeping, sparsely branched, to 150 mm long, to 5 mm in diameter, closely set with roots, persistent stipe bases and scales, scales chartaceous, atrocastaneous to ferrugineous, clathrate, sessile, subulate, cordate-imbricate, entire or shallowly dentate, smaller scales often with a few gland-like cells at the base, apex terminates in an oblong thin-walled cell, to 7 mm long, to 0.5 mm wide. Fronds closely spaced, arching, to 1.23 m long; stipe atrocastaneous, adaxially sulcate, to 625 mm long, to 3 mm in diameter, densely scaled initially, scales chartaceous, atrocastaneous to ferrugineous, clathrate, sessile, subulate to filiform, cordate-imbricate, entire or shallowly dentate, smaller scales often with a few gland-like cells at the base, apex terminates in an oblong thin-walled cell, to 6 mm long, to 0.5 mm wide; lamina anadromous, to 3-pinnate, narrowly elliptic to lanceolate, to 605 mm long, to 150 mm wide, with up to 22 petiolated pinna pairs; rachis firm, atrocastaneous, sulcate adaxially, initially closely set with scales similar to those on the stipe; pinnae petiolate, petiole to 6 mm long, opposite to alternate, basally more widely spaced, often slightly overlapping apically, firmly herbaceous, ovate to lanceolate, to 130 mm long, to 60 mm wide, with up to 6 petiolated pinnule pairs; pinna-rachis sulcate adaxially, sulcus confluent with that of the rachis, initially densely scaled, scales similar to, but smaller than, those on the rachis; pinnules petiolate, petiole to 2 mm long, alternate, spaced, 1-pinnate, trullate to narrowly trullate, to 33 mm long, to 22 mm wide, often with a single pair of petiolated segments; segments narrowly to broadly cuneate, trullate or obtrullate, divided into oblong segments, irregularly dentate, to 10 mm long, to 8 mm wide, adaxially sparsely scaled, scales chartaceous, ferrugineous, clathrate, sessile, filiform, cordate, entire, often with one or more gland-like cells near the base, apex terminates in an oblong thin-walled cell, to 0.3 mm long, abaxially initially moderately scaled, scales chartaceous, ferrugineous, clathrate, sessile, ovate, lanceolate, or filiform, usually with pluricellular filiform outgrowths and gland-like cells at the base, apex terminates in an oblong thin-walled cell, to 2 mm long, to 0.4 mm wide. Venation adaxially obscure, evident abaxially, flabellate, terminating in the teeth near the margin. Stomata (32-)40.04(-48) µm long. Sori linear, extending along a vein, to 5 mm long; indusium firmly herbaceous, stramineous, linear, entire, attached along the entire length, to 5 mm long, to 0.3 mm wide; sporangium long-stalked, simple, uniseriate, 3-seriate below the capsule, capsule globose in lateral view, with (18-)19(-20) indurated annulus cells, epistomium 2- celled, hypostomium 4(-5)-celled. Spores 64 per sporangium, brown, elliptic, monolete, with low reticulate ridges and prominent wings, (30-)34.03(-40) x (18-)20.91(-24) µm.

  • Provided by: [C].e-Flora of South Africa
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    Perennial with short rhizome. Fronds arching, to 35 cm, stipe scaled, lamina firmly herbaceous, lanceolate, 2-pinnate to 4-pinnatifid, pinnae divided into narrowly obovate to narrowly oblong segments, irregularly incised, subglabrous above, scaled beneath. Sori linear, of irregular lengths, indusium subentire.

  • Provided by: [C].e-Flora of South Africa
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    Rhizome ascending or creeping, up to 7 mm in diameter, set with linear-attenuate, ferrugineous to atrocastaneous, hair-pointed, irregularly serrulate rhizome-scales often with paler reddish margins. Fronds tufted, firmly herbaceous to thinly coriaceous, not gemmiferous; stipe matt brown to atrocastaneous, set with scattered scales; lamina oblong to lanceolate, attenuate, up to 480 x 200 m (rarely 750 x 400 m), 2-pinnate to 4-pinnatifid, lower pinnae only slightly reduced; pinnae in c. 12 pairs, acute to caudate, divided into narrowly obcuneate to very narrowly oblong segments, upper segments adnate and decurrent, irregularly incised and dentate, upper surface often set with occasional substellate or fimbriate scales, lower surface thickly to thinly set with hair-pointed, broad-based scales. Sori of irregular lengths, up to 9 mm long; indusium membranous, subentire, c. 0.4 mm broad.

  • Provided by: [C].e-Flora of South Africa
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    Habitat

    Lithophytic, epiphytic or terrestrial in forest.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
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    Dry Grassland; Mesic Grassland. Variety of habitats, from shaded moist ravines in dry woodland to high-altitude mist forest.

  • Provided by: [C].e-Flora of South Africa
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    Terrestrial or epilithic, in leaf litter on forest floor, in rock crevices and in shallow humus-filled pockets on boulders in forests and boulder-forests, lightly or deeply shaded. Not edaphically bound.

  • Provided by: [C].e-Flora of South Africa
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    Terrestrial or epilithic, at boulder bases in submontane grassveld and in rock crevices in boulder forests. Not edaphically bound.

  • Provided by: [C].e-Flora of South Africa
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    Terrestrial, epilithic, or epiphytic in forests and scrub, to 400 m.

  • Provided by: [C].e-Flora of South Africa
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    Lithophytic, epiphytic or terrestrial in forest, 200-2140 m.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 9
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    Distribution

    The species is restricted to Lesotho, the eastern parts of South Africa and Swaziland.

  • Provided by: [C].e-Flora of South Africa
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    The species is restricted to the eastern parts of south tropical and southern Africa.

  • Provided by: [C].e-Flora of South Africa
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    Grootwinterhoek Mtns to W Africa, Madagascar.

  • Provided by: [C].e-Flora of South Africa
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    Cape Province, Transkei, Natal, Lesotho, Orange Free State, Swaziland, Transvaal, Zimbabwe, Mozambique, Malawi, Zambia, Angola, Zaire, Burundi, Tanzania, Uganda, Kenya, Somalia, Ethiopia, Sudan, Yemen, Mauritius and Madeira, Fernando Po, Cameroun, Nigeria and Sierra Leone.

  • Provided by: [C].e-Flora of South Africa
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      Bibliography

     Information From

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    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
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    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
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    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
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    Flora Mesoamericana
    http://www.mobot.org/MOBOT/fm/
    Gerrit Davidse, Mario Sousa Sánchez, A. O. Chater, Universidad Nacional Autónoma de México. Instituto de Biología, Missouri Botanical Garden, Natural History Museum (London, England) UNAM, 1994
    • D Missouri Botanical Garden
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • E Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).