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Botan‪ical Sciences
Article . 1994 . Peer-reviewed
License: CC BY NC
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Botan‪ical Sciences
Article
License: CC BY NC
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Botan‪ical Sciences
Article . 1994
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El estudio sistemático de Agavaceae y Nolinaceae, y Asparagales relacionados en las Monocotiledóneas: un análisis basado en la secuencia del gen rbcL

Authors: Luis E. Eguiarte; Melvin R. R. Duvall; Gerald H. Learn Jr; Michael T. Clegg;

El estudio sistemático de Agavaceae y Nolinaceae, y Asparagales relacionados en las Monocotiledóneas: un análisis basado en la secuencia del gen rbcL

Abstract

La naturaleza y los límites de la familia Agavaceae han sido objeto de controversias desde que se propuso en el siglo pasado. En este artículo analizamos las secuencias del gen rbcL del cloroplasto de 9 especies de Agavaceae sensu Hutchinson ( 1934, 1959) junto con 44 secuencias adicionales,. incluyendo 36 secuencias de Lilianae y como grupos externos 8 secuencias de Alismatanae y Arecanae. Presentamos análisis de parsimonia, neighbor-joining (unión de vecinos) y de máxima verosimilitud. Identificamos 3 linajes evolutivos principales en las Agavaceae como fueron definidas por Hutchinson. Estos linajes contienen a la mayoría de las Asparagales tal como fueron definidas por Dahlgren et al. ( 1985) (i) Asparagus (Asparagaceae), Dianella (Phormiaceae), Hemerocallis (Hemerocallidaceae) y las Asphodelacea (Aloe, Haworthia and Kniphofla); (ii) Agavaceae sensu stricto, incluyendo Agave, Manfreda, Beschorneria, Hespera/oe and Yucca, al género asiático Hasta (Funkiaceae) y a la hierba pantropical Chlorophylulll (Anthericaceae); (iii) Sansevieria (Dracaenaceae) , Danae (Ruscaceae) y las Nolinaceae (Nolina, Beaucarnea y Dasylirion). De acuerdo a nuestros análisis otros grupos relacionados a las Agavaceae sensu Hutchinson son: Bowiea (Hyacinthaceae), ledebouria (= Scilla. Hyacinthaceae), Clivia (Amaryllidaceae), Lomandra (Dasypogonaceae). Xanthorrhoea (Xanthorrhoeaceae), Cvanastrum (Cyanastraceae) y las lridaceae (iris. Orthosanthus and Anomatheca). Concluimos que las .Agavaceae, tal como fueron propuestas por Hutchinson ( 1934, 1959) no son un grupo monofílético, aunque la mayoría de sus especies forman el núcleo de un ciado más grande que aproximadamente corresponde (con la adición de las Iridaceae) a las Asparagales tal como fueron propuestas por Dahlgren et al. ( 1985).

Keywords

QK1-989, Botany

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
gold