Ackee

Names and Synonyms

Common Names

• ackee
• akee-apple

Scientific Names

Accepted name

Synonyms

• Cupania sapida
• Cupania edulis
• Akeesia africana
• Akea solitaria
• Sapindus obovatus
• Bonannia nitida
• Cupania akeesia

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. Under the subclass Magnoliidae, it is classified in the order Sapindales and the family Sapindaceae. Finally, it is identified by the genus Blighia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is widely distributed across several specific regions within West Tropical Africa. In the southern part of this zone, it can be found growing in the countries of Benin and Ghana. Moving further north, the species also inhabits the territory of Burkina Faso. Its range extends into the coastal and inland areas of Guinea-Bissau. Finally, the plant is documented as being present throughout the nation of Guinea.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Blighia sapida is characterized by its ability to thrive across a diverse altitudinal gradient, ranging from sea level up to a maximum elevation of 1000 m AMSL. This broad elevational range allows the species to occupy various ecological niches within tropical forest ecosystems, typically favoring humid, well-drained environments where light availability and moisture levels are consistent. By inhabiting landscapes from 0 m to 1000 m AMSL, the plant demonstrates significant adaptability to different climatic variations found within its native tropical habitats, facilitating its distribution across varying topographical features and soil compositions within these lowland and sub-montane zones.

Elevational range max:

1000 m AMSL

Elevational range min:

0 m AMSL

Life history

The life history of Blighia sapida is characterized by its status as a perennial species, allowing it to persist in its environment over many years. As a phanerophyte, its reproductive buds are elevated well above the ground, a growth form that defines its structural presence in the landscape. The plant maintains an evergreen deciduousness, meaning it retains its foliage throughout the year rather than shedding it seasonally, which contributes to its continuous photosynthetic activity. This combination of a long-lived lifecycle and a robust phanerophyte life form enables the plant to establish a stable and enduring presence within its ecological niche.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Blighia sapida is characterized by a woody growth form, primarily manifesting as a tree. It is a terrestrial species that functions as an independent organism, neither acting as a parasite nor an epiphyte. The plant exhibits a self-supporting structure rather than acting as a climber, vine, or liana. In terms of stature, it reaches significant dimensions, with a minimum recorded height of approximately 6.10 meters, a mean height of 15 meters, and a maximum height reaching up to 24.38 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

24.38429651 m

Plant height mean:

15 m

Plant height min:

6.096074128 m

Woodiness :

woody

Physiology

The physiology of Blighia sapida is characterized by complex metabolic processes, most notably the synthesis and sequestration of potent cyanogenic glycosides, such as hypoglycin A and B, within its seeds and fruits as a chemical defense mechanism. These compounds undergo enzymatic hydrolysis upon tissue damage, releasing hydrogen cyanide, which plays a critical role in the plant's biochemical interactions with herbivores. In terms of nutrient cycling and soil interaction, the plant does not function as a nitrogen fixer; it lacks the specialized symbiotic relationship with rhizobia bacteria necessary to convert atmospheric nitrogen into bioavailable forms, meaning it relies on the uptake of nitrates and ammonium from the soil through its root system. The plant's growth and development are further driven by efficient photosynthetic pathways that support its rapid maturation in tropical environments, while its transpiration rates and water use efficiency are closely regulated by stomatal conductance to maintain osmotic balance in humid climates.

Nitrogen fixer :

no

Reproduction

The reproduction of Blighia sapida is characterized by a biotic pollination strategy, specifically relying on insects for successful fertilization. Within this pollination syndrome, bees play a primary role in the reproductive process. The species exhibits an absence of self-fertilization, indicating a reliance on cross-pollination to maintain genetic diversity. Once fertilization occurs, the plant utilizes a zoochorous dispersal syndrome, meaning its seeds are distributed via animals. The seeds produced are relatively uniform in size, with a consistent seed mass of 2.94 g, as both the mean, minimum, and maximum recorded values are identical at 2.94 g.

Dispersal syndrome :

zoochorous

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass mean:

2.94 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Blighia sapida has 16 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Ash, CALCIUM, FAT, Glycylglycylglycine, HYPOGLYCIN.

Ash

1. Dr. Duke

CALCIUM

1. Dr. Duke

FAT

1. Dr. Duke

Glycylglycylglycine

1. Dr. Duke

HYPOGLYCIN

1. Dr. Duke

Hederagenin

1. Dr. Duke

IRON

1. Dr. Duke

L-Hypoglycin

1. Dr. Duke

L-gamma-Glutamyl-L-hypoglycin

1. Dr. Duke

PHOSPHORUS

1. Dr. Duke

Activities

Blighia sapida has 213 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Anticancer, Antidiabetic, Antimicrobial, Hypoglycemic.

Antioxidant

1. Dr. Duke
2. BMC complementary medicine and therapies
3. Journal of ethnopharmacology

Anticancer

1. Dr. Duke
2. Journal of ethnopharmacology

Antidiabetic

1. Dr. Duke
2. BMC complementary medicine and therapies

Antimicrobial

1. BMC complementary medicine and therapies
2. Journal of ethnopharmacology

Hypoglycemic

1. Dr. Duke
2. Journal of ethnopharmacology

Neuroprotective

1. Dr. Duke
2. BMC complementary medicine and therapies

Acidulant

1. Dr. Duke

Aldose-Reductase-Inhibitor

1. Dr. Duke

Allergenic

1. Dr. Duke

Analgesic

1. Dr. Duke

Conditions

Blighia sapida has 16 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include backache, bacterial infections, cancer, conjunctivitis, constipation.

Backache

1. Journal of ethnopharmacology

Bacterial infections

1. Journal of ethnopharmacology

Cancer

1. Journal of ethnopharmacology

Conjunctivitis

1. Journal of ethnopharmacology

Constipation

1. Journal of ethnopharmacology

Dysentery

1. Journal of ethnopharmacology

Ecthyma

1. Journal of ethnopharmacology

Fever

1. Journal of ethnopharmacology

Gonorrhea

1. Journal of ethnopharmacology

Hernia

1. Journal of ethnopharmacology