Root trainer Root trainer A root pruning container is an aid to the cultivation of young plants and trees in nurseries. Many pot designs train the roots. One example is a truncated plastic cone in which a seedling is planted. There is a drainage hole at the bottom and the main tap root tends to grow towards this. What this achieves is to encourage the roots the grow a denser system of root hairs. How it does this is to have the pots designed so as to air prune the roots. The advantage is when the plant is planted into its home
Type genus the genus that provided the stem to which was added the ending -idae (for families). In botanical nomenclature, the phrase "type genus" is used, unofficially, as a term of convenience. In the "ICN" this phrase has no status. The code uses type specimens for ranks up to family, and types are optional for higher ranks. The Code does not refer to the genus containing that type as a "type genus". Type genus In biological classification, especially zoology, the type genus is the genus which defines a biological family and the root of the family name. According to the International Code