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.
The leaves at the upper end of the stalk, close to the cyathium, have a striking, scarlet red coloration. Leaves are mainly 2-4 lobed and 4â7 cm long by 1.5â3 cm wide. Their contrast with the lower dark green leaves gives this euphorbia most of its common names.The stalk exudes a toxic milky white latex.The cyathia or false flowers, are located in clusters at the head of the stalk and are yellowish green.eaves are mainly 2-4 lobed and 4â7 cm long by 1.5â3 cm wide. Their contrast with the lower dark green leaves gives this euphorbia most of its common names. The stalk exudes a toxic milky white latex. The cyathia or false flowers, are located in clusters at the head of the stalk and are yellowish green.