2002
DOI: 10.1080/00173130260045431
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Evolutionary trends in Winteraceae pollen

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Cited by 16 publications
(10 citation statements)
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“…Unfortunately, very little is known about the pollination biology within the Monodora clade; more data is needed in order to adequately tackle these questions. A similar case of evolution from tetrads to monads, also unexplained, occurred in the Winteraceae, in the genus Zygogynum s. s. (Van der Ham & Van Heuven, 2002).…”
Section: Intergeneric Variationmentioning
confidence: 97%
“…Unfortunately, very little is known about the pollination biology within the Monodora clade; more data is needed in order to adequately tackle these questions. A similar case of evolution from tetrads to monads, also unexplained, occurred in the Winteraceae, in the genus Zygogynum s. s. (Van der Ham & Van Heuven, 2002).…”
Section: Intergeneric Variationmentioning
confidence: 97%
“…To be able to unravel the origin, divergence and spatial history of generic lineages of Winteraceae, it is important to compare and affiliate fossil Winteraceae pollen/tetrads to those of the extant genera (generic lineages). The general morphology and ultrastructure of Winteraceae are well known and have been studied by Bailey & Nast (1943), Straka (1963), Fiser & Walker (1967), Sampson (1974Sampson ( , 2000aSampson ( ,b, 2007, Lobreau-Callen (1977), Praglowski (1979), and van der Ham & van Heuven (2002). Unfortunately, only a few of these studies provide good close-ups (SEM micrographs;Sampson 2000b, van der Ham & van Heuven 2002 showing the sculpture and aperture region (including ulcus membrane) at high enough resolution.…”
Section: Introductionmentioning
confidence: 99%
“…The general morphology and ultrastructure of Winteraceae are well known and have been studied by Bailey & Nast (1943), Straka (1963), Fiser & Walker (1967), Sampson (1974Sampson ( , 2000aSampson ( ,b, 2007, Lobreau-Callen (1977), Praglowski (1979), and van der Ham & van Heuven (2002). Unfortunately, only a few of these studies provide good close-ups (SEM micrographs;Sampson 2000b, van der Ham & van Heuven 2002 showing the sculpture and aperture region (including ulcus membrane) at high enough resolution. Until now, most fossil Winteraceae pollen/tetrads have only been illustrated and described using LM (exception: SEM micrographs in Coetzee & Praglowski 1988).…”
Section: Introductionmentioning
confidence: 99%
“…El polen maduro en Winteraceae puede estar conformando por mónadas o tétradas (van der Ham & van Heuven, 2002;Sampson, 2007), puede presentar o no papilas y/o annulus, su exina puede ser reticulada o microreticulada y su mitosis puede ser sincrónica o asincrónica en cada uno de los granos de polen que conforman la tétrada (Bailey & Nast, 1943;Fiser & Walker, 1967;Praglowski, 1979;Sampson, 1974;Sampson, 1981;Sampson, 2000a;Sampson, 2000b;van der Ham & van Heuven, 2002).…”
unclassified