Comments
(
Inglês
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fornecido por eFloras
A number of segregate species have been named and recognized in regional floras in North America: Marsilea mucronata A. Braun (less hairy, found east of Rocky Mountains), M . uncinata (glabrous, sporocarp stalks long, distal tooth of sporocarp hooked, south central United States), M . tenuifolia (pinnae very narrow, central Texas), and M . fournieri (small plants and pinnae, southwest). The features upon which these species are based intergrade into one another. The species are therefore best treated as conspecific with M . vestita (D. M. Johnson 1986).
Putative hybrids between Marsilea macropoda and this species are discussed under the former.
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Description
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Inglês
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fornecido por eFloras
Plants forming diffuse or dense clones. Roots arising at nodes. Petioles 2--20 cm, sparsely pubescent. Pinnae 4--19 × 4--16 mm, pubescent to glabrous. Sporocarp stalks erect, unbranched, attached at base of petiole (occasionally up to 3 mm above it), not hooked at apex, 0.5--25 mm. Sporocarps perpendicular or slightly nodding, 3.6--7.6 × 3--6.5 mm, 1.5--2 mm thick, elliptic to nearly round in lateral view, pubescent but soon glabrate, scars left by fallen trichomes often appearing as purple or brown specks; raphe 1.1--1.7 mm, proximal tooth 0.3--0.6 mm, blunt, distal tooth 0.4--1.2 mm, acute, often hooked at apex. Sori 14--22.
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Distribution
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Inglês
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fornecido por eFloras
Alta., B.C., Sask.; Ariz., Ark., Calif., Colo., Idaho, Iowa, Kans., La., Minn., Mont., Nebr., Nev., N.Mex., N.Dak., Okla., Oreg., S.Dak., Tex., Utah, Wash., Wyo.; Mexico; South America in Peru.
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Habitat
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Inglês
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fornecido por eFloras
Sporocarps produced spring--fall (Apr--Oct). Widespread and variable; in ponds and wet depressions and on river floodplains; 0--2300m.
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Synonym
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Inglês
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fornecido por eFloras
Marsilea fournieri C. Christensen; M. mucronata A. Braun; M. tenuifolia Engelmann ex A. Braun; M. uncinata A. Braun; M. vestita subsp. tenuifolia (Engelmann ex A. Braun) D. M. Johnson
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Derivation of specific name
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Inglês
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fornecido por Flora of Zimbabwe
minuta: very small, unclear since no parts of the plant are extremely small.
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- Mark Hyde, Bart Wursten and Petra Ballings
- citação bibliográfica
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Marsilea minuta L.
var. minuta Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=102860
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- Mark Hyde
- autor
- Bart Wursten
- autor
- Petra Ballings
Description
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Inglês
)
fornecido por Flora of Zimbabwe
Floating form: stipe up to 26 cm long, slender, hairless. Leaflets up to 15-28 × 10-29 mm, broadly obovate, outer margin rounded, entire to shallowly irregular, hairless, brownish suberous streaks between the veins of the lower surface. Dry land form: stipe up to 13 (15) cm long. Leaflets up to 6-13 × 4-10 mm, obovate, outer margins subentire to shallowly incised, slightly hairy. Sporocarps: clustered in groups of 2-5, size variable, average 3-4 × 2.4-3 mm, 0.8-1.4 mm thick, dark brown to almost matt black, broadly oblong-elliptic in lateral view, outer side rounded, vertical cross-section elliptic; densely appressed hairy when young becoming quite hairless with age; lower and upper tooth prominent, upper tooth as long as or slightly longer than lower tooth; pedicels 3-7 mm long, cylindrical, stout, erect or gently curved upwards, free or branching once, arising from the leaf axil or the base of the stipe, sometimes one above the other.
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- cc-by-nc
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- Mark Hyde, Bart Wursten and Petra Ballings
- citação bibliográfica
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Marsilea minuta L.
var. minuta Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=102860
- autor
- Mark Hyde
- autor
- Bart Wursten
- autor
- Petra Ballings
Worldwide distribution
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Inglês
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fornecido por Flora of Zimbabwe
It covers almost the entire African continent, from Algeria to tropical West, Equatorial and East Africa, southwards to Angola, Zambia, Mozambique, Zimbabwe, South africa, Swaziland. Also known from Comoros, Madagascar, the Mascarenes, India and possibly
- licença
- cc-by-nc
- direitos autorais
- Mark Hyde, Bart Wursten and Petra Ballings
- citação bibliográfica
- Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Marsilea minuta L.
var. minuta Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=102860
- autor
- Mark Hyde
- autor
- Bart Wursten
- autor
- Petra Ballings
Marsilea vestita
(
Inglês
)
fornecido por wikipedia EN
Marsilea vestita, the hairy water-clover, is a species of largely aquatic fern in the family Marsileaceae.[2] It is native to western and central North America, the Bahamas, Barbuda, and Peru.[1] It can grow into a water form or a land form, depending on local conditions.[3]
References
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Marsilea vestita: Brief Summary
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Inglês
)
fornecido por wikipedia EN
Marsilea vestita, the hairy water-clover, is a species of largely aquatic fern in the family Marsileaceae. It is native to western and central North America, the Bahamas, Barbuda, and Peru. It can grow into a water form or a land form, depending on local conditions.
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Marsilea vestita
(
Espanhol; Castelhano
)
fornecido por wikipedia ES
El helecho trébol de agua (Marsilea vestita) Hook. & Grev es un helecho acuático, miembro de la familia Marsileaceae. El nombre del género (Marsilea), fue dado en honor al botánico y naturalista italiano Luigi Ferdinando Marsigli, quien vivió de 1658 a 1730.[1][2][3]
Clasificación y descripción
Rizoma: rastrero, solo se presentan raicillas en los nodos; pecíolo: de 2 a 20 cm de largo; raquis: no presente; pinnas: cuatro, simples con forma deltoide; soros: se presentan de 14 a 20 en una estructura independiente llamada esporocarpo; indusio: no presente.[3][2]
Distribución
Desde el suroeste de Canadá, oeste de Estados Unidos, México, hasta Perú.[3][2][1]
Ambiente
Es un helecho acuático, vive en cuerpos de agua temporales o permanentes, estanques, charcos y lagos.[3][2]
Estado de conservación
En México no se encuentra en ninguna categoría de protección de la NOM059. Tampoco está en alguna categoría en la lista roja de la IUCN (International Union for Conservation of Nature). Ni en CITES (Convención sobre el Comercio Internacional de Especies Amenazadas de Fauna y Flora Silvestres).
Referencias
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↑ a b Hassler M. (2017). World Ferns: Checklist of Ferns and Lycophytes of the World (version May 2017). In: Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi J., Penev L., eds. (2017). Species 2000 & ITIS Catalogue of Life, 26th July 2017. Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
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↑ a b c d Velazco Macías, C. G. 2009. Flora del estado de Nuevo León: diversidad y análisis espacio-temporal. Tesis doctoral. Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León. 272 p.p.
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↑ a b c d Mickel J.T. y A.R. Smith. 2004. The pteridophytes of . Vols. I y II. The New Cork Botanical Garden Press. Estados Unidos de América. Pp 1030.
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Marsilea vestita: Brief Summary
(
Espanhol; Castelhano
)
fornecido por wikipedia ES
El helecho trébol de agua (Marsilea vestita) Hook. & Grev es un helecho acuático, miembro de la familia Marsileaceae. El nombre del género (Marsilea), fue dado en honor al botánico y naturalista italiano Luigi Ferdinando Marsigli, quien vivió de 1658 a 1730.
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Marsilea vestita
(
Vietnamita
)
fornecido por wikipedia VI
Marsilea vestita là một loài dương xỉ trong họ Marsileaceae. Loài này được Hook. & Grev. mô tả khoa học đầu tiên năm 1830.[1]
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Marsilea vestita: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Marsilea vestita là một loài dương xỉ trong họ Marsileaceae. Loài này được Hook. & Grev. mô tả khoa học đầu tiên năm 1830.
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