The question of akuamma vs abere comes up more than almost anything else I get asked about these two plants — and honestly, the confusion is completely understandable, because the botanists and traders who came before us managed to muddle them up too. I stock both, I’ve handled both for years, and I still find the overlap between them genuinely interesting. They are related, the seeds look alike, the plant shares a habitat, and in some parts of West Africa they share a name. But they are not the same plant, and once you know what to look for, the differences are obvious.
Picralima nitida is what most people know as akuamma. Hunteria umbellata is abere. Both are members of the Apocynaceae family — the same botanical family that gives us frangipani and oleander — their seeds look identical and both are native to the rainforest belt running across West and West-Central Africa. That is roughly where the overlap ends. Their chemical profiles differ considerably, and their histories in trade and traditional use have taken separate paths, even where the same languages have applied similar-sounding names to both of them.
Key takeaways
- Akuamma (Picralima nitida) and abere (Hunteria umbellata) are two distinct species in the same plant family, native to the West African rainforest belt
- Both carry alkaloids as a dominant compound class, but their specific alkaloid profiles are quite different — akuamma’s named alkaloids include akuammine, akuammicine and picraline; abere’s most abundant identified constituents include erinincine, ursolic acid and umbellamine
- The name “akuamma” has a tangled history: it was originally applied to a different plant genus entirely and attached to Picralima nitida only after the seeds arrived in Accra — and variants of the name also appear in Ghanaian languages for Hunteria umbellata, which compounds the confusion
- Picralima nitida is currently considered threatened in parts of its range, particularly the Dahomey Gap region, making provenance and responsible sourcing genuinely important
What akuamma seeds (Picralima nitida) actually are
Picralima nitida is a tree — or sometimes a large shrub — native to the humid forest zone of West and West-Central Africa. The Royal Botanic Gardens Kew record gives its native range as West Tropical Africa to Uganda, placing it firmly in the wet tropical biome. It is a significant tree when it reaches full size: the herbarium literature describes specimens anywhere from four to thirty-five metres tall, with trunks five to sixty centimetres in diameter and very hard wood.
The seeds are what most people are interested in, and they arrive looking like nothing else I stock. They come out of a fleshy fruit — pale, dense, and slightly bitter-smelling when freshly cracked. The seed shell is tough enough that small household objects have historically been carved from it.
The chemistry of Picralima nitida seeds is dominated by alkaloids — nitrogen-containing compounds found across the plant kingdom, often responsible for a plant’s characteristic sharpness or bitterness. A historical chapter on the alkaloids of Picralima traces the first chemical examination of the plant to a researcher named Clinquart, who identified a crystalline alkaloid and a second amorphous base. Since then the list has grown considerably: the named alkaloids now include akuammiline, akuammidine, akuammine, akuammigine, akuammicine, picraline and picraphylline. What I find interesting about that list is how many of them are named directly after the plant — akuammine, akuammicine — which is how you know a species has been studied seriously enough for its compounds to need individual names.
Beyond the alkaloids, phytochemical screening of P. nitida stem bark has identified phenols, glycosides, eugenols — a class of aromatic compounds also found in cloves — terpenoids, reducing sugars and proteins, according to a study published in ChemSearch Journal. Work on the fruit found a high content of alkaloids, sterols and polyphenols, with a moderate presence of saponosides and flavonoids, and total phenolics quantified at 39.19 ± 4.37 mg per gram of extract. In a separate analysis, saponins came out as the most abundant compound class at 37.06 mg/dg, with alkaloids close behind at 28.76 mg/dg — so depending on the plant part and the extraction method, either class can come out on top.
The tree belongs to the Hunterieae tribe within Apocynaceae, which immediately tells you something about its relationship to abere: Hunteria umbellata is in the same tribe, its genus named after the same taxonomic grouping. They are cousins, in botanical terms.
Ecologically, P. nitida grows as an understorey tree — meaning it lives beneath the canopy rather than forming part of it — in the high deciduous forests stretching from Côte d’Ivoire across to western Cameroon and into the Congo basin. It has been found in Nigeria, Ghana, Gabon, and as far east as Uganda. That said, its distribution is not uniform. A 2021 study in Environment, Development and Sustainability found the species to be threatened in the Dahomey Gap — a corridor of drier savannah that interrupts the West African forest belt — where it is considerably rarer than in the wetter Guinean forest zone to the west. That is worth knowing if you source this plant, because it means not all supply is equal.
What abere seeds (Hunteria umbellata) actually are
Hunteria umbellata — abere in Yoruba — is the plant most commonly sold under that name across Nigeria and beyond. Like its cousin, it is a member of Apocynaceae, and the Kew record for Hunteria umbellata places its native range across Western and West Central Tropical Africa, with a preference for the seasonally dry tropical biome — which already marks a difference from P. nitida‘s wetter habitat preference. It is a smaller tree than akuamma typically reaches, described in the botanical literature as measuring around twelve metres at most, with a trunk of about one metre in girth.
One detail that I find genuinely charming, and that almost nobody mentions: the wood of Hunteria umbellata has a quiet reputation across its range as exceptional material for tool-handles. It is described as yellow, very hard, fine-grained, termite-proof and durable. One account calls it “one of the best local woods” for the purpose. The seeds tend to get all the attention, but this is a tree that has been practically useful in ways that go well beyond what it carries in its fruit.
The seed chemistry of abere is distinct from akuamma’s in meaningful ways. A study in the Nigeria Agricultural Journal ran a full proximate and phytochemical profile on H. umbellata seeds and found carbohydrates as the dominant component at 56.73%, followed by moisture at 16.20% and crude protein at 13.92%, with fibre at 8.03%. Qualitative screening picked up alkaloids, flavonoids, reducing sugars, saponins, tannins, phytates and oxalates. GC-MS analysis identified twenty compounds in the seed. Flavonoids came in at 383.50 mg/100g when quantified — a striking figure, and considerably higher than typical readings for P. nitida. A separate HPLC analysis of the aqueous seed extract identified seven constituents, with erinincine, ursolic acid and umbellamine as the most abundant. None of those three appear in the named compound lists for akuamma seeds, which gives you a sense of how chemically distinct the two plants are despite their shared family.
The organic abere seeds we carry come in whole form, pale to cream in colour, and carry a faintly resinous, earthy scent — noticeably different from the more pronounced sharpness of akuamma. If you place both side by side, they are visually similar enough to understand the confusion, but distinct enough that once you know what you are looking at, you will not mix them up again.
African Botanicals: The Quick Reference Guide
181 plants of the African materia medica. Each entry gives you the botanical name, the family and range, the part used, and the characters that separate that plant from the things it gets confused with — leaf arrangement, latex, scent, taste, pod shape. Then what tradition uses it for, and the cautions that matter: the interactions, the protected and CITES-listed species, the lookalikes that aren’t safe.
A fascinating record of African plants and their uses
The naming tangle: why akuamma vs abere is more complicated than it looks
Here is the part of this story I find most satisfying, because it involves a naming mistake that has been sitting in the scientific literature for over a century and nobody has bothered to correct it. The word “akuamma” — as applied to Picralima nitida — is not, in the strict sense, the right name for this plant. According to Burkill’s Useful Plants of West Tropical Africa, the seeds entered the trade and scientific literature under this name after being brought to Accra by a Ghanaian woman. The problem is that the name “akuamma” properly belongs to a different genus entirely — Pentaclethra — and appears to have been misapplied to Picralima nitida at that point and simply stuck. A small etymological accident that became the standard trade name for the plant worldwide.
It gets more layered. Across Ghanaian languages, variants of the same name appear for Hunteria umbellata as well. Burkill records “akuama” in Fante as a name for H. umbellata, alongside “kanwini” in Akan-Asante and Twi, “kanwene” in Wasa, and “kakooli” in Nzema. In Yoruba, H. umbellata is “àárín” or “erin” — while P. nitida picks up “abere” in the same language, which is the name most Nigerians now use for Hunteria umbellata. So the two plants have, at different times and in different places, borrowed each other’s names. This is not carelessness on anyone’s part. It is what happens when two closely related trees share a forest, look broadly similar, and are used by communities across a wide geographic and linguistic range.
I have a longer article on naming confusion in West African plants — specifically which hibiscus is which and how to tell the species apart — and the pattern is familiar. Related plants, overlapping names, a trade that moves faster than the taxonomy. The akuamma-abere question is one of the cleaner examples, once you have the history in front of you. The JSTOR Global Plants herbarium record for P. nitida also lists the Igbo name “òsú abwa” alongside “abere” — which tells you this plant has been called by abere’s name in Nigeria as well, in at least one language community. Worth knowing before you assume the label on a packet settles the question.
| Feature | Akuamma (Picralima nitida) | Abere (Hunteria umbellata) |
|---|---|---|
| Plant family | Apocynaceae (Hunterieae tribe) | Apocynaceae (Hunterieae tribe) |
| Native range | West Tropical Africa to Uganda; wet tropical biome | Western and West Central Tropical Africa; seasonally dry tropical biome |
| Typical height | 4–35 m | Up to ~12 m |
| Named alkaloids | Akuammine, akuammicine, picraline, akuammiline, akuammidine | Erinincine, umbellamine (with alkaloids as a compound class present) |
| Yoruba name | Abere | Àárín / Erin / Abeere |
| Conservation note | Threatened in Dahomey Gap region | No equivalent threat status noted in literature reviewed |
Akuamma vs kratom: a comparison worth making carefully
People searching for akuamma seeds frequently arrive via kratom. That comparison is worth addressing directly, because the two plants get discussed in the same circles online and the framing is not always accurate. Kratom is Mitragyna speciosa, a tree native to Southeast Asia, and it sits in the Rubiaceae family — coffee is its closest famous relative. Akuamma is Apocynaceae, a completely different family, native to West Africa. They are not related in any meaningful botanical sense.
What they share is that both are alkaloid-rich seeds or leaves that have attracted interest in the same communities. Akuamma’s alkaloid profile — with akuammine and akuammicine as the named primary compounds — is distinct from mitragynine and 7-hydroxymitragynine, which are the major alkaloids in kratom. These are chemically different molecules. I want to be careful here not to make any claims about what either plant does, because that is not the territory I am going to go into. What I can say is that treating these as interchangeable because both are “alkaloid plants from tropical forests” is botanically unsound. They are different plants with different chemistry, from different continents and different families.
If you are interested in the broader category of seeds that have been carried, traded and valued across West Africa, we covered some of that history in our piece on seeds men traditionally carried on long hunts across West Africa. Akuamma sits in that tradition. It is a plant with its own specific story, not a substitute for something else.
Sourcing, quality and what to look for
One thing I want to be honest about when it comes to akuamma sourcing: the conservation picture matters. The 2021 study by Akabassi and colleagues in Environment, Development and Sustainability is clear that Picralima nitida is under pressure in the Dahomey Gap — the stretch of drier habitat that runs through Benin and Togo, breaking up the West African forest belt. Wild populations there are depleted, which has direct implications for where responsible supply can realistically come from. The wetter Guinean zone to the west — covering Ghana and Côte d’Ivoire — still holds healthier stands, and the same study found that fruit and germination traits did not differ significantly between the two zones, which is encouraging for propagation efforts.
When akuamma seeds arrive, the quality markers are relatively straightforward. You want intact seeds with no obvious mould or moisture damage, a firm texture, and that characteristic dry, faintly bitter aromatic quality that comes from the alkaloid and terpenoid content. Seeds that smell flat or off, or that have begun to soften, have usually been stored poorly. The extraction methods documented in the processing literature — Soxhlet, ultrasound-assisted, supercritical fluid — are primarily relevant to laboratory work, but they reflect the same underlying point: this is a plant where how you handle the material after harvest affects what you end up with.
For abere, the picture is somewhat different. Hunteria umbellata has not attracted the same conservation concern in the literature I have reviewed, and it flowers and fruits year-round — which makes supply more consistent than for seasonally fruiting species. The seeds are smaller than akuamma, pale and smooth, and the aroma is earthier and less sharp. If you are buying either plant and the seller cannot tell you the country of origin, that is worth pushing on. Both plants are traded across regions, and knowing exactly where material comes from is part of knowing what you are actually buying. We carry wildcrafted Nauclea latifolia from the same forest belt, and the sourcing questions are the same across the range.
One more thing worth noting: the Wonderful Kola, Buchholzia coriacea, is another West African seed that often gets compared to both akuamma and abere in trade and online discussion. We covered that plant separately — there is a useful background piece on what wonderful kola is and how it has been traditionally used — and it belongs to an entirely different family. The overlap in name and in the communities that use these plants does not imply botanical or chemical similarity.
Frequently asked questions
Is akuamma the same as abere?
No. Akuamma is Picralima nitida and abere is Hunteria umbellata — two separate species in the same plant family. They share a habitat, a family and some overlapping traditional names across West Africa, which is the root of the confusion. Their chemical profiles, seed morphology, typical size and precise growing preferences are all distinct. They are related, in the way cousins are related, but they are not interchangeable.
What is the difference between akuamma and abere?
Picralima nitida (akuamma) is a larger tree, typically wetter in its habitat preference, with a named alkaloid profile centred on akuammine, akuammicine and picraline. Hunteria umbellata (abere) is a smaller tree, grows in seasonally drier tropical forest, and its seed extract is characterised by erinincine, ursolic acid and umbellamine. Both are Apocynaceae, both are alkaloid-bearing, but the specific compounds differ significantly between the two.
What is akuamma used for?
Akuamma seeds have a long history of use across West Africa, particularly in Ghana and Nigeria, where they are gathered, traded and carried as a traditional plant material. The seeds contain a range of alkaloids and other secondary metabolites. Beyond their traditional role, the hard seed shells have historically been fashioned into small household objects — dippers and spoons — and the plant has attracted significant scientific interest for its phytochemical profile.
Is akuamma like kratom?
They are both alkaloid-rich plants that have attracted interest in overlapping communities, but botanically they are not related. Kratom is Mitragyna speciosa from the Rubiaceae family, native to Southeast Asia. Akuamma is Picralima nitida from the Apocynaceae family, native to West Africa. Their primary alkaloids are chemically distinct — mitragynine versus akuammine and akuammicine. Treating them as botanical equivalents because both are discussed online in similar contexts is not accurate.
What are abere seeds good for?
Abere seeds (Hunteria umbellata) are a traditional plant material from the West African forest belt with a documented phytochemical profile that includes alkaloids, flavonoids, saponins, tannins and the specific compounds erinincine, ursolic acid and umbellamine. The seeds have been part of traditional botanical practice across Nigeria and Ghana for generations. The tree’s hard wood has also been historically valued for tool-handles and construction. Beyond that, the plant’s cultural significance runs across Yoruba, Edo and Akan communities.
Both akuamma and abere are fascinating plants in their own right — related enough to cause genuine confusion, distinct enough that the distinction matters. The naming history alone is worth the attention. If you want to work with the akuamma seeds we source, they are available whole and organic through the shop.
Shop organic Picralima nitida seeds
Sources
- Royal Botanic Gardens Kew, 2024. Plants of the World Online: Picralima nitida. POWO.
- Royal Botanic Gardens Kew, 2024. Plants of the World Online: Hunteria umbellata. POWO.
- JSTOR Global Plants / Burkill, H.M., 1985. Picralima nitida herbarium compilation. Royal Botanic Gardens, Kew Herbarium.
- JSTOR Global Plants / Burkill, H.M., 1985. Hunteria umbellata entry, Useful Plants of West Tropical Africa. JSTOR.
- JSTOR Global Plants / Burkill, H.M., 1985. Picralima nitida entry, Useful Plants of West Tropical Africa. JSTOR.
- ChemSearch Journal, AJOL. Chemical composition and antimicrobial activities of Picralima nitida stem bark extracts. African Journals Online.
- Revue de Médecine et de Pharmacie, AJOL. Phytochemical screening and antioxidant activity of Picralima nitida. African Journals Online.
- ScienceDirect. Alkaloids of Picralima nitida. The Alkaloids book series.
- Nigeria Agricultural Journal, AJOL. Nutritional and chemical components of ethanol extract of Hunteria umbellata seeds. African Journals Online.
- Future Journal of Pharmaceutical Sciences, Springer Nature. Phytochemical screening and GC-MS analysis of Hunteria umbellata aqueous fruit extract. Springer.
- Akabassi, G.C., Padonou, E.A., et al., 2021. Ecophenotypic variation of fruits, natural seed germination and seedling growth of Picralima nitida in Dahomey Gap. Environment, Development and Sustainability, Springer.
Written by Joanna, founder of Jostylin Naturals. Joanna has worked with West African botanical plants for over fifteen years, sourcing directly from growers and working alongside botanists and traditional practitioners across the region. This article is for informational and educational purposes only and does not constitute medical advice.
