Not that I've heard of. Only tip cuttings which are tricky at best.
Yes. Cistus can be propagated by seeds or cuttings and is easy to propagate.
Yes, if you have the proper age plant and the proper conditions for rooting the cutting. some plants are much easier to root than others. At the nursery where I work, cuttings are dipped in rooting hormone and propagated in a greenhouse with high heat and humidity and cuttings root very fast given these conditions.
They are propagated by cuttings, so seeds aren't needed..
Cacti do not have leaves. However, some species can be propagated by cuttings from the stems.
In cultivated varieties they are propogated by budding or cuttings. Species and new varieties are produced from seed.
Vestigial. You can see what might have become seeds inside the banana, but they no longer can function as seeds. Bananas are not propagated through the growing of plants from seeds. They are propagated (reproduced) by taking root cuttings, or by transplanting chorms, objects that look a lot like bulbs, that form at the roots of the plant.
The Sampson root propagates easily from seed or by root cuttings
No, domestic banana plant's fruit (bananas you eat) are sterile, the plant is propagated form cuttings.
Usually you take cuttings and get them to root in order to make more gardenia plants.
Flowers/ plants grow normally from seeds, although they can also be propagated vegetatively by cuttings or off-shoots/ off-sets
Yes. All growth starts from a seed, unless the plant is propagated by cuttings or other methods.
The rudbeckia propagates easily from seed or by root cuttings