If p > 0, the parabola opens to the right and if p < 0 the parabola opens to the left. The equations we have just established are known as the standard equations of a parabola. A standard equation always implies the vertex is at the origin and the focus is on one of the axes.
Euphorbias are on all the toxic plant lists and everyone is familiar with the hazards of Poinsettias.here is some discussion of severe toxic principles of Tylecodons I did not understand as these are in no way related to Euphorbias or in the Euphorbia family. Though the article is fairly long, it is filled with very few facts and is primarily anecdotal.
1 Frangipani is known to possess a poisonous, milky sap, rather similar to that of the Euphorbia. 2  Frangipani flowering plants can grow to be large shrubs or even small trees. 3  In tropical regions, the frangipani may reach a height of 30-40 feet and grow half as wide.