The Difference Between the Region Name and the Botanical Species Name in Oud

When you browse the kinds of oud you encounter two words that appear to be of one type and are in truth from two different worlds: the name of the region such as "Kalimantani" or "Papui," and the name of the botanical species such as Aquilaria or Gyrinops. Many confuse the two and think that the region is a botanical species, or that the species determines the region. In this article we separate the two names a clear separation: what each of them tells you, why they do not match, and what that means for you upon buying. And this article branches from the map of oud regions in Indonesia.

1. Two different names for two different things

The first thing that should settle in the mind is that the "region name" and the "botanical name" answer two completely different questions. The region name answers the question "from where?" — that is, about the geography, about the island or the territory from which the oud came out. As for the botanical name, it answers the question "which kind of tree?" — that is, about the scientific classification of the botanical genus inside whose trees the oud formed. A question about the place, and a question about the plant, and answering one of them does not necessitate answering the other.

And to bring the matter closer with an example from outside oud: when we say "Medina dates" we are speaking of the region from which the dates came, not of the botanical variety; for several varieties of palm may grow in Medina. And when we say "Ajwa dates" we are speaking of the variety, and this variety may be cultivated in different places. The region is one axis, and the variety is another axis, and they do not necessarily match. Oud is exactly likewise: "Kalimantani" points to a region, and Aquilaria points to a botanical genus, and between them is a fundamental difference.

The reason for the confusion is that the two names are mentioned in the same context: a seller describes a piece as "Kalimantani," and another mentions that it is of the Aquilaria kind, so the listener thinks that they are alternatives for a single naming or that one of them explains the other. And the correct thing is that they are two independent layers of information: a geographical layer and a botanical layer. And when you realize that they are two parallel axes, not a single line, much of the confusion into which many buyers fall is removed from you.

And this distinction is not a pointless academic precision, but is a practical foundation for understanding what you read in the descriptions of products. For whoever thinks that the region name reveals to him the botanical species, or that the name of the botanical genus determines for him the origin, will build wrong expectations on incomplete information. And we will see in the following axes how we dismantle each layer separately before we combine them.

2. The region name: from where did the oud come?

The region name is the name that attributes the oud to its geographical place: the island or the territory from which it was gathered. And among the most famous of these names in the Arab market is "Kalimantani" in attribution to Kalimantan (Indonesian Borneo), and "Sumatri" in attribution to Sumatra, and "Papui" in attribution to Papua in the far east, and "Marouki" in attribution to the Merauke region in the south of Papua. These are all names of origins, telling you the place of exit, not anything else.

And we have devoted to these designations and how they are used in the Arab market an independent article, which you find in the names of Indonesian oud in the Arab market, and we suffice here with pointing out that these names are commercial in origin in their essence: they arose to link the oud to its geography, not to classify it scientifically. And for the complete geographical picture of the archipelago and its different regions, return to the map of oud regions in Indonesia, which gathers these origins in one place.

What matters is that the region name carries with it an indication of the environment, the soil, and the climate in which the oud arose, and these are factors that may be reflected on the general character of the scent. But the region name — and this is the crux of the matter — does not utter a single letter about the botanical genus inside whose trees the oud formed. So when you read "Kalimantani" you know where, and you do not necessarily know which botanical species.

And what adds to the precision is that the boundaries of the regions themselves are not always strict, for a piece may be attributed to a wide region that includes varying environments, and the designations may overlap in the market. And for this the region name gives you a general direction about the origin, not a precise coordinate nor a botanical identity. And this limit of significance is something that the buyer should be aware of so that he does not load the name with more than it can bear.

3. The botanical name: which kind of tree?

The botanical name is a completely different axis: it answers the question of which genus of tree the oud formed inside. And oud in general forms inside the trees of two main botanical genera: Aquilaria, which is the more widespread and the more famous, and Gyrinops. And these are two scientific names for the botanical genus, not for the place. When you read Aquilaria you know the kind of the tree, and you do not know from where it came.

And within the limits of what is circulated, the presence of the genus Aquilaria predominates in the more western regions of the archipelago such as Sumatra and Kalimantan, while the presence of Gyrinops predominates in the more eastern regions such as Papua and what neighbors it. But we should say this with caution: these are general tendencies and inclinations, not a decisive rule nor a separating boundary. For the botanical distribution is more complex than to be reduced to a line that divides the archipelago into two halves, and there may be exceptions that we do not encompass all of.

And for the wider picture of the habitats of oud trees and their botanical genera in the world, return to where oud grows, which details the geographical range of these genera. And what concerns us here is to establish that the name of the botanical genus is an independent scientific layer: it classifies the tree, it does not determine its location. And the difference between the two genera in itself is not translated automatically into a difference in quality, for the quality is determined by the density of the resin and the grade of the oud, not by the name of the genus alone.

And it is of honesty that we acknowledge that knowing the botanical genus with certainty for a particular piece is not an easy matter in the daily circulation, since it is difficult for the naked eye to settle to which genus a piece of oud belongs after its separation from the tree. And for this the mention of the botanical name in the description of products is often by way of predominance and estimation, not decisiveness, and this is what we should deal with realistically, not with exaggeration.

4. Why the two names do not match

We have reached the essence of the article: why does the region name not tell you about the botanical species, and the botanical name not tell you about the region? The answer is that they are two perpendicular axes — that is, completely independent — not a single line. The axis of the region is geography, and the axis of the species is botany, and each of them moves in its direction without necessitating the other.

And the first reason is that the single botanical genus grows across many regions. For the genus Aquilaria — for example — is not specific to a particular region, but its trees may exist in more than one island and territory. So if you were told that an oud is of the genus Aquilaria, you would not be able to determine its region from it, because the genus itself is spread in multiple regions. The species does not designate the place.

And the second reason is that the single region may embrace more than one botanical genus. For the wide geographical territory, with the diversity of its environments, may be a habitat for trees of two different genera together. So if you were told that an oud is "Kalimantani," you would not be able to be decisive about its botanical genus by the mere name of the region, because the region may carry more than one genus. The place does not designate the species.

And from these two reasons the basic rule arises: the region name is not a botanical name, and the botanical name is not a region. They are two independent layers of information, and each of them complements the other and does not dispense with it. And whoever wants a complete picture of a piece of oud needs the two layers together — from where it came, and to which genus it belongs — not one of them alone. And the following table summarizes this distinction:

And perhaps the clearest thing that shows the independence of the two axes is that you imagine a two-dimensional table: its rows the regions and its columns the botanical genera. The piece of oud falls at the intersection of a row and a column — a region and a species — and one of them does not suffice to determine its location in the table. For knowing the row alone does not give you the column, and knowing the column alone does not give you the row. This is the summary of the non-matching in a simple visual picture.

5. And where do the commercial names fall?

A third question may occur to you: so where do names such as "Oud" and "Agarwood" and "Gaharu" fall from all of this? This is a third layer different from the two previous layers: they are linguistic and commercial names for the material itself, not names of regions nor names of botanical genera. For what we call in Arabic "oud" is known in English as Agarwood, and in Indonesia as Gaharu — three names for a single designation.

So we have then three layers that should not be confused: the layer of the name of the material (oud / Agarwood / Gaharu), and the layer of the region name (Kalimantani / Papui), and the layer of the botanical name (Aquilaria / Gyrinops). And because the first layer is a subject standing on its own, we do not repeat its detail here, but you find it explained in the difference between Agarwood, Oud, and Gaharu.

And the practical benefit of realizing the three layers is that you will not load any name with more than it means: for the name of the material tells you that it is oud and nothing else, and the region name tells you from where, and the botanical name tells you which genus. Three questions, three answers, none of them dispensing with the other. And whoever confuses the layers thinks that Gaharu is a botanical species or that Kalimantani is a name of a material, and both are an illusion. And we have detailed this linguistic layer in Agarwood, Oud, and Gaharu, which spares us from repeating it.

6. What does this mean for the buyer?

After this detail, there remains the practical conclusion that concerns you more than all that preceded: neither the region name alone nor the botanical name alone guarantees for you the quality of a particular piece. For the two names tell you about the origin and the classification, not about the density of the resin nor about the grade nor about the actual scent of the piece that is in your hands. And the quality dwells in this last one, not in the names.

And for that the honest path is that you go beyond the name to what is behind it, and verify four matters: the grade by which the piece was classified, and the documented origin not a mere shining name, and the scent upon heating, which is the truest judgment, then the sample by which you test yourself before the commitment. And we detail the steps of choosing in the guide on how to choose an authentic Indonesian oud.

And we at Oud Treasure clarify how we examine the oud and classify its grades on the quality control page, because we see that the transparency of the grade and the origin is truer than the attachment to the names alone. Also the character of the scent varies with the variation of the origin, which is what we address in the characteristics of the scent of Indonesian oud for whoever wants to understand how the environment is reflected on the aromatic character.

And the rule that we would like you to come out with: deal with the name — any name — as a guide that directs you, not a guarantee that dispenses with you. For the region name gives you a context, and the botanical name gives you a classification, but the final judgment remains for your senses and for what you document of grade and origin. And whoever relied on the name alone was hasty, and whoever combined the name and the verification was reassured. And for whoever wants to deepen the picture of Indonesian oud as a whole, the comprehensive guide to Indonesian oud gathers the axes of origin, quality, and buying in one place.

Read also

To form a wider picture, start from the map of oud regions in Indonesia, which gathers all the origins. And to understand how the region names are used in the Arab market, see the names of Indonesian oud in the Arab market. And to understand the linguistic layer of the names, see the difference between Agarwood, Oud, and Gaharu. And to know how the factors of the species, the environment, the infection, and the treatment contribute to shaping the aromatic character, see how the region affects the scent of oud.