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Brace roots may remain aerial or penetrate the soil as they perform root functions such as anchorage and resource acquisition. Although brace root development in soil or aerial environments influences function, a lot is still unknown about how their anatomy, architecture and development contributes to their function. The physiology of brace ...
These roots function as terrestrial roots do. Most aerial roots directly absorb the moisture from fog or humid air. Some surprising results in studies on aerial roots of orchids show that the velamen (the white spongy envelope of the aerial roots), are actually totally waterproof, preventing water loss but not allowing any water in. Once ...
For so-called "aerial" species (the majority of the common species in culture except Tillandsia cyanea), that is to say those whose roots are transformed into crampons without any power of absorption, watering is done by the leaves in the form of frequent sprays, or brief soaking of the plant in a container full of water. [25]
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Fundamental parallelogram may mean: Fundamental pair of periods on the complex plane; Primitive cell on the Euclidean plane This page was last edited on 28 ...
The parallelogram with vertices (,, +,) is called the fundamental parallelogram. While a fundamental pair generates a lattice, a lattice does not have any unique fundamental pair; in fact, an infinite number of fundamental pairs correspond to the same lattice.
The propositions in Book I concern the properties of triangles and parallelograms, including for example that parallelograms with the same base and in the same parallels are equal and that any triangle with the same base and in the same parallels has half the area of these parallelograms, and a construction for a parallelogram of the same area ...
The root separation is a fundamental parameter of the computational complexity of root-finding algorithms for polynomials. In fact, the root separation determines the precision of number representation that is needed for being certain of distinguishing distinct roots.