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Illuminating the role of the calyptra in sporophyte development
Current Opinion in Plant BiologyThe study of moss calyptra form and function began almost 250 years ago, but calyptra research has remained a niche endeavor focusing on only a small number of species. Recent advances have focused on calyptra cuticular waxes, which function in dehydration protection of the immature sporophyte apex.
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Segmentation and First Edification of the Sporophyte
1989The zygote of vascular plants always stems from an oosphere enclosed in the body of a prothallus and divides itself therein. Thus, it is never free, never scattered. This can be considered as a feature of adjustment; the zygote is at no time faced with the external medium, as for instance the zygote of a Fucus which develops in the sea and is directly ...
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Experimental Studies of the Sporophytes of Ferns
BioScience, 1971The answers to questions concerning organography and development in vascular plants have frequently been sought with the use of fern sporophytes as objects of study. Although specific resolution of most of the problems still eludes investigators, some preliminary results with the ferns have been useful and experimental techniques have been transferred ...
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The Two Phases of Sporophyte Development
1989These plants are therefore the “dominant” forms of the continental flora. Although they include a few species which have “gone back” to aquatic medium, most of them live on the ground and in the air, a medium often unfavourable to life. So it is not surprising to see that all these plants use more or less sophisticated means to avoid problems of the ...
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The Sporophyte of Oligotrichum falcatum
The Bryologist, 1975William C. Steere, G. L. Smith
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[Wall labyrinths in the sporophyte of Polytrichum].
Planta, 2014In the foot of the Polytrichum sporophyte the outer walls of the peripheral cells are coated with a labyrinth. In the outer 4-6 cell layers protuberances arising from the lamellated cell wall were found which are interpreted as initial stages of the labyrinth.
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THE NUTRITION OF THE SPOROPHYTE IN THE MUSCI
American Journal of Botany, 1940openaire +1 more source
Costs of sporophyte production in the moss, Dicranum polysetum
Plant Ecology, 2000Johan Ehrlén +2 more
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