Unusual nuclei, with spindle-like tubular projections, in the placental tissue of Utricularia nelumbifolia may be involved in nucleus-to-cell-to-cell communication.
The best chance of growing to maturity is to have the best start. A new theory connects seed and leaf size with phytomers to describe the relationship between regeneration and growth through a plant’s lifetime.
Zotz and colleagues ask for a re-evaluation of the occurrence, evolution, and function of the velamen radicum in both terrestrial and epiphytic angiosperms
Evidence from this study indicates that elevated [CO2] not only can aggravate the effects of water deficit on photosynthetic performance and growth of maritime pine but also it can attenuate genotypic differences in drought tolerance as compared with those observed at current atmospheric [CO2].