2012
DOI: 10.1111/j.1095-8339.2012.01258.x
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Molecular phylogenetic analysis of Podostemaceae: implications for taxonomy of major groups

Abstract: The river-weed family Podostemaceae (c. 300 species in c. 54 genera) shows a number of morphological innovations to be adapted to its unusual aquatic habitat, and its unique or rare bauplan features have been reflected in the traditional (i.e. non-molecular) classification recognizing numerous monotypic or oligospecific genera. The infrasubfamilial relationships of many genera remained unclear. The present study used molecular phylogenetic analysis of matK sequences for 657 samples (c. 132 species/c. 43 genera… Show more

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Cited by 59 publications
(110 citation statements)
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References 73 publications
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“…Three stigmas occur in the Tristichoideae which are sister to all other Podostemaceae (Koi et al 2012). It is possible that the three stigma character-state arose from 'switching-on' genes that had long lain dormant in the Podostemoideae genome.…”
Section: Stigmasmentioning
confidence: 99%
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“…Three stigmas occur in the Tristichoideae which are sister to all other Podostemaceae (Koi et al 2012). It is possible that the three stigma character-state arose from 'switching-on' genes that had long lain dormant in the Podostemoideae genome.…”
Section: Stigmasmentioning
confidence: 99%
“…The species can be separated using the features in Table 2. Podostemologists working in Cameroon (Koi et al 2012, Schenk et al 2015 appear to have referred to I. tchoutoi as I. (Ledermanniella) annithomae as discussed below and under the last species.…”
Section: Inversodicraea Tchoutoimentioning
confidence: 99%
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“…For example, the Asian genera of Tristichoideae are paraphyletic to the Australian genera and to the Afro-American genera Kato, 2001, 2004;Kato et al, 2003). American Podostemoideae are also paraphyletic to the African and Asian taxa (Kita and Kato, 2001;Moline et al, 2007;Ruhfel et al, 2011;Koi et al, 2012a). It can be extrapolated, therefore, that in Podostemaceae, primitive taxa with plesiomorphic characters most likely remain on their continent of origin, while derived ones with apomorphic characters occur on newly colonized continents.…”
mentioning
confidence: 94%
“…About 20 genera and ~137 species of three subfamilies occur in South, Central and rarely eastern North America; ~17 genera and ~80 species in two subfamilies are in tropical and southern Africa and Madagascar; and ~18 genera and ~84 species of the same two subfamilies are in southern, southeastern and eastern Asia and rarely in northern Australia (Cook and Rutishauser, 2007;Tippery et al, 2011;Koi et al, 2012a). All genera but one are endemic to a single continent, indicating that the distribution patterns of the genera characterize the biogeography of Podostemaceae.…”
mentioning
confidence: 98%