Results 251 to 260 of about 84,030 (303)

Pollen Morphology of the Fouquieriaceae

Aliso, 1967
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CaZAT5 delays the flowering time in tomato and affects pollen viability and anther dehiscence. [PDF]

PLoS Genet
Xiao J, Yang M, Yang J, Tang W, Song X, Tang Y, Sun B, Zheng Y, Huang Z, Li H.   +9 more
europepmc   +1 more source

Do interspecific hybrids lead to new evolutionary avenues in the plant family Lemnaceae?

New Phytologist, EarlyView.
K. Sowjanya Sree, Klaus‐J. Appenroth
wiley   +1 more source

Pollen Morphology of Onagraceae

, 1966
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Pollen morphology ofLactoridaceae

Plant Systematics and Evolution, 1986
The pollen wall ultrastructure of the primitive AngiospermLactoris fernandezianaPhil. (Lactoridaceae) is described. The monosulcate aperture, granular wall structure and sacci (all primitive features) suggest placement of this family in theMagnoliales.
Michael S. Zavada, Thomas N. Taylor
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Evolution of Pollen Morphology

Science, 1991
Over evolutionary time, the morphology of angiosperm pollen has evolved toward an increasing number of apertures, among other things. From a neo-Darwinian point of view, this means that (i) some polymorphism for aperture number must exist and (ii) there must be some fitness increase associated with increasing the aperture number.
I, Dajoz, I, Till-Bottraud, P H, Gouyon
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3. POLLEN MORPHOLOGY

TAXON, 1980
SummaryPollen morphology ofAralidiumshows no close resemblance to that of the Araliaceae, Cornaceae (sens, lat.), or Griseliniaceae.
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Pollen morphology inLinum sect.Macrantholinum

Plant Systematics and Evolution, 1985
Pollen of the two distylous species which make upLinum sect.Macrantholinum differs from that of other distylous species in the genus in being multiporate and in having much more modest differences in exine sculpturing between grains from long- and short-styled plants.
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Style morphology and pollen tube pathway

Plant Reproduction, 2017
The style morphology and anatomy vary among different species. Three basic types are: open, closed, and semi-closed. Cells involved in the pollen tube pathway in the different types of styles present abundant endoplasmic reticulum, dictyosomes, mitochondria, and ribosomes.
M. M. Gotelli, E. C. Lattar, L. M. Zini, B. G. Galati   +3 more
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Pollen Morphology of Tribulaceae

Grana, 1987
Abstract The pollen morphology of the Tribulaceae Hadidi, was investigated by means of LM, SEM, and TEM. In the Tribulaceae, two completely different pollen types are encountered, each restricted to one of the two stenopalynous subfamilies. The Tribuloideae invariably have polypantoporate, spheroidal, sometimes slightly elliptical, reticulate pollen ...
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