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Abstract:

The seed-coat of several species of Hybanthus subg. Ionidium from South America were studied by SEM (scanning electronic microscopy). Three different levels of sculpture were observed on the seed coat. The micro-morphological patterns showed great variation between the species and should be considered as additional characters in future taxonomic treatments. The presence of a conspicuous elaiosome was observed; this structure is well known in the genus Viola and is most likely related to seed dispersal mediated by ants. © 2010 The Authors.

Registro:

Documento: Artículo
Título:Seed coat micromorphology of South American species of Hybanthus (Violaceae)
Autor:Seo, M.N.
Filiación:LACyE. Fac. de Cs. Exactas y Naturales, Univ. de Buenos Aires, Cdad. de Buenos Aires, Argentina
MNS: IFEVA, Fac. de Agronomía, Univ. de Buenos Aires, Av. San Martin 4453 (C1417DSE), Cdad. de Buenos Aires, Argentina
Palabras clave:ant; dicotyledon; functional morphology; genetic variation; micromorphology; scanning electron microscopy; seed dispersal; taxonomy; South America; Formicidae; Hybanthus; Ionidium; Violaceae
Año:2010
Volumen:28
Número:3
Página de inicio:366
Página de fin:370
DOI: http://dx.doi.org/10.1111/j.1756-1051.2009.00544.x
Título revista:Nordic Journal of Botany
Título revista abreviado:Nord. J. Bot.
ISSN:0107055X
CODEN:NJBOD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0107055X_v28_n3_p366_Seo

Referencias:

  • Ballard, H.E., et al, (2005) Dismantling the polyphyletic genus Hybanthus Jacq. (Violaceae), , XVII Int. Bot. Congress, Vienna, Austria
  • Barthlott, W., Epidermal and seed surface characters of plants: systematic applicability and some evolutionary aspects (1981) Nord. J. Bot, 1, pp. 345-353
  • Barthlott, W., Microstructural features of seed surfaces (1984) Current concepts in plant taxonomy. Systematics Association, special. Vol 25, pp. 95-105. , Heywood V H, Moore D M. Academic Press
  • Bennett, E.M., A revision of the Australian species of Hybanthus Jacquin (Violaceae) (1972) Nuytsia, 1, pp. 218-241
  • Corner, E.J.H., (1976) Violaceae. The seeds of Dicotyledons, 1. , Cambridge Univ. Press
  • Culver, D.C., Beattie, A.J., Myrmecochory in Viola: dynamics of seed-ant interactions in some West Virginia species (1978) J. Ecol, 65, pp. 2562-2580
  • Feng, M., Floral morphogenesis and molecular systematics of the family Violaceae (2005), PhD thesis. - Ohio Univ; Hekking, W.H.A., Violaceae, Flora Neotropical Monographs (1988) NY Bot. Gard, 46, p. 204
  • Gil-Ad, N.L., The micromorphologies of seed coat and petal trichomes of the taxa of Viola subsect. Boreali-Americanae (Violaceae) and their utility in discerning orthospecies from hybrids (1998) Brittonia, 50, pp. 91-121
  • Sanso, A.M., et al, (2008) Violaceae, 3, pp. 3151-3169. , Zuloaga F, Morrone O. Monogr. Syst. Bot., Miss. Bot. Gard. 107
  • Schulze-Menz, G.K., Morphologisch-Systematische Studien über die Gattung Hybanthus (1936) Bot. Jahrb. Syst, 67, pp. 437-492
  • Seo, M.N., Estudios sistemáticos y evolutivos en especies argentinas del género Hybanthus. (Violaceae) (2008), PhD thesis. - Univ. de Buenos Aires; Souza, J.P., (2002) Levantamento das espécies de Hybanthus Jacq. (Violaceae) do Brasil. MSc thesis, , Univ. do São Paulo
  • Sparre, B., Estudio sobre las Violáceas argentinas I. Los géneros de Hybanthus y Anchietea (1950) Lilloa, 23, pp. 515-574
  • Tokuoka, T., Molecular phylogenetic analysis of Violaceae (Malpighiales) based on plastid and nuclear DNA sequences (2008) J. Plant Res, 121, pp. 253-260

Citas:

---------- APA ----------
(2010) . Seed coat micromorphology of South American species of Hybanthus (Violaceae). Nordic Journal of Botany, 28(3), 366-370.
http://dx.doi.org/10.1111/j.1756-1051.2009.00544.x
---------- CHICAGO ----------
Seo, M.N. "Seed coat micromorphology of South American species of Hybanthus (Violaceae)" . Nordic Journal of Botany 28, no. 3 (2010) : 366-370.
http://dx.doi.org/10.1111/j.1756-1051.2009.00544.x
---------- MLA ----------
Seo, M.N. "Seed coat micromorphology of South American species of Hybanthus (Violaceae)" . Nordic Journal of Botany, vol. 28, no. 3, 2010, pp. 366-370.
http://dx.doi.org/10.1111/j.1756-1051.2009.00544.x
---------- VANCOUVER ----------
Seo, M.N. Seed coat micromorphology of South American species of Hybanthus (Violaceae). Nord. J. Bot. 2010;28(3):366-370.
http://dx.doi.org/10.1111/j.1756-1051.2009.00544.x