The brood bud - in flowering plants and ferns - specialized buds that fall from an adult plant and give rise to new plants.
Formed in the axils of the leaves ( chistyak , lily ), on the leaves on their edge ( bryophyllum ) or veins (fern Kostenets carrot-leaved ).
At the Koornets kornelistnogo ( Asplenium rhizophyllum L. ), a fern native to North America, the leaves at the ends of the whip are pulled away and, touching the ground, quickly take root, giving life to new plants and conquering in this way new space. Americans knowingly call him English. walking fern is a wandering fern .
In the case of bare brood buds, the groups of cells located at the ends of rhizoids and giving rise to new plants are called.
In layered plants ( algae , liver cells) - single-celled or multicellular formations of various shapes, adapted for vegetative reproduction .
Links
- Brood buds in the Biological Dictionary Verified December 26, 2008