Revista de Biología Tropical ISSN Impreso: 0034-7744 ISSN electrónico: 2215-2075

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Morfogénesis de la fase sexual del helecho <i>Lophosoria quadripinnata</i> var. <i>contracta</i> (Lophosoriaceae)
Vol. 45 No. 3 (1997), Articles
Vol. 45 No. 3 (1997)

Morfogénesis de la fase sexual del helecho <i>Lophosoria quadripinnata</i> var. <i>contracta</i> (Lophosoriaceae)

Articles
Published September 1, 1997
Aniceto Mendoza
Universidad Autónoma Metropolitana, Iztapalapa.
Blanca Pérez-García
Universidad Autónoma Metropolitana, Iztapalapa.
Irma Reyes Jaramillo
Universidad Autónoma Metropolitana, Iztapalapa.
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Mendoza, A., Pérez-García, B., & Reyes Jaramillo, I. (1997). Morfogénesis de la fase sexual del helecho &lt;i&gt;Lophosoria quadripinnata&lt;/i&gt; var. &lt;i&gt;contracta&lt;/i&gt; (Lophosoriaceae). Revista De Biología Tropical, 45(3), 993–998. Retrieved from https://revistas.ucr.ac.cr/index.php/rbt/article/view/21089
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Abstract


The development and morphology of the gametophytes of the fern L. quadripinnata var. contracta are described from material collected in Robinson Crusoe Island (Juan Fernandez Archipelago, Chile). The spores were sown in Thompson medium (25 Petri dishes). Spore donnancy range was 1.5-20 days. germination pattero is Cyatheatype and the prothallial development Adiantum-type. The gametangia are typical of the leptosporangiate feros. This plant is monoecious. Sporophytes appeared after tbree months of culture. The two varieties differ in spore size, prothallus shape and number of antheridial ceUs.
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