Further Observations
Were the Plants Grafted Artificial Flowers?!
Plants are basically made up of several parts: roots, stems, leaves, and flowers.
However, one feature of the plant illustrations in the Voynich Manuscript is particularly intriguing: the point where the root and stem meet. In many drawings, it looks as though the stem has been attached to the cut end of the root afterward.
Rather than depicting natural plants as they are, these illustrations look as though they show plants assembled from several parts, almost like “artificial flowers made by grafting.”
Interestingly, in the latter part of the manuscript, there are pages where groups of plants with distinctive roots are listed separately from groups with distinctive stems and leaves.
Lists of Plants with Strong Roots and Plants with Strong Stems and Leaves

At the beginning of each horizontal row of illustrations, there is something that looks like a tube.
Previous hypotheses may have treated these objects as vessels used to boil and combine plants. But if we assume that the roots and stems are connected to one another, wouldn't it make sense to interpret these tubes as attachments designed to join them?
Supporting this idea, the groups of plants with particularly long stems also have correspondingly long tubular attachments.
The Structure of the Attachments
Comparing the various attachments reveals a common structural feature. Each attachment consists of two, or at most a few, tubular sections. There is one exception in which the sections are the same width at both ends, but generally, the bottom section is wider and the section above it is narrower.
Now, even if attachments are needed to connect roots and stems, if each has its own separate attachment, how are the two attachments supposed to fit together? Surely, one attachment should be enough.
The answer lies in their shape.

The narrow upper part of the root attachment(a) can be inserted into the wider lower part of the stem attachment(b), joining the two into a single assembly. Conversely, the wider lower part of the stem attachment(b) can fit over the narrow upper part of the root attachment(a), enclosing it from above.
Hanasaki System(Flowering System)
Among the circular diagrams in the manuscript is an illustration that clearly shows how these attachments are used.
The sun and moon drawn in the center indicate that the left side represents daytime and the right side nighttime.

In the daytime scene on the left, there are four women. The woman at the top is pointing with her left hand toward something; the woman on the right is holding what appears to be a type of attachment; the woman on the left is holding something that looks like a type of plant; and the woman at the bottom has her right hand resting on a rod protruding from the ground, while in her left hand, she holds an object—possibly a component—that features an attached ring.

The nighttime scene on the right also shows four women. Two of them appear to be holding plants with flowers in bloom.
What can we read from this diagram?
*During the daylight hours, plants with good roots and plants with good stems and leaves are grafted together. After allowing some time to pass, the results are checked again. The chances of finding that beautiful flowers have bloomed may be about fifty percent.*
This is how the diagram can be read.In other words, could one say that this diagram illustrates a Hanasaki System "Flowering System"—a process through which flowers can be made to bloom?
Also, from the perspective of music composition, this brings to mind the familiar advice:
*When you've assembled a motif, leave it overnight and listen to it again before deciding whether it works.*
I believe the reason this manuscript describes the process of motif-making in such detail is that it seeks to convey a fundamental principle of composition:
the initial motif is of great importance.
Also, among the four women in the daytime scene, the woman at the bottom touches a rod-like object extending upward from below with one hand, while holding a component made up of several large interconnected rings in the other.
I will return to this mystery later.