The arrangement of veins or veinlets on lamina of leaf is known as veination.
Dicots can have many types of veination, including parallel, fan-shaped, and netted. There are several other types of veination that one can find in dicots too.
monocotyledonous
Ivy is a dicot. The easiest way to tell is that the leaves exhibit branched veination, not parallel veination like a monocot would.
Depending on what type of leaf - a monocot leaf (grasses etc) have parallel veination and dicot leaves (woody plants) have reticulate veination (more randomly spread).
Wheat is monocotyledonous, it has a simple leaf with parallel veination
ike most grasses they have simple, alternate leaves with parallel veination
yes
Floral parts in multiples of 3 as well as being tri-locular Fused calyx Strap-like leaves with parallel veination
Gnetophyta are gymnosperms which thrive in arid environments. Because of the desert-like climates in which they thrive, they have adapted very long, flat leaves to take in the proper amount of sunlight. The leaves and the rest of the plant are low to the ground, to prevent excessive heat. They are classified as gymnosperms, and do indeed share more molecular content in common with them than with the angiosperms. They reproduce using the "stolon" method. They plant their cones metres away and continue the trail of leaves. - IQ4U - What IQ4U has described is welwistchia, which is one of the plants in Gnetophyta. Another plant that you may know better is Ephedera, also known as Mormon Tea. Gnetophyta is often unrecognizable from angiosperms due to their angiosperm like leaves (in having reticulate veination). However, what is the most advanced is their reproductive structure, which is currently being argued over in plant systematics as to whether or not it is a flower.
Flower parts of monocot's (petals, anthers etc.) are always in multiples of three i.e. 3, 6, 9 petals. Dicots, floral parts in multiples of 4 or 5. i.e. 4, 8, 12 or 5, 10, 15 Dicots have a separate calyx surrounding the petals, where as monocots have have the calyx fused to the base of the petals. http:/theseedsite.co.uk/monocot.html for more information