Botanical Identification of Kaki (Diospyros kaki)

To identify Kaki (Diospyros kaki) accurately, examine its morphological characteristics, taxonomic classification, and diagnostic features.

Kaki (Diospyros kaki) Monograph

Scientific Classification

Kaki, or Diospyros kaki, belongs to the plant kingdom, specifically the flowering plants. It is classified under the order Ebenales, family Ebenaceae, genus Diospyros, and species kaki. This classification helps in understanding its biological relationships and medicinal properties.

The following table shows the full taxonomy of this medicinal plant.

Botanical Nomenclature and Synonyms

Diospyros kaki is the scientific name for Kaki, first described by the botanist L. F. R. Ellis in 1811. This name is widely accepted in botanical literature. Synonyms include Diospyros kaki var. kaki and Diospyros kaki var. lamarckii. Common names include Chinese persimmon, Japanese persimmon, and Korean persimmon, reflecting its cultivation in East Asia.

Morphological Characteristics

Kaki is a deciduous tree with a spreading growth habit. It has a deep and extensive root system that helps anchor the tree and absorb nutrients. The stem is straight and sturdy, often with a smooth, gray bark. Leaves are simple, alternate, and ovate with a pointed tip. Inflorescences are clustered, bearing small, greenish-white flowers. The fruit is a sweet, fleshy drupe with a star-shaped base and a single seed inside.

Diagnostic Identification Features

To distinguish Diospyros kaki from similar species, examine its alternate, ovate leaves with serrated margins and a glossy upper surface. The fruit is typically sweet, orange-yellow, and fleshy with a star-shaped base. It has a distinctive, aromatic scent and a starchy, dry interior when ripe. The bark is smooth and grayish, becoming fissured with age.

Natural Habitat and Geographic Distribution

Kaki, or Diospyros kaki, is native to East Asia, particularly China, Japan, and Korea. It thrives in temperate climates with distinct seasons. It prefers well-drained, loamy soils and is typically found at altitudes between 300 and 1,500 meters.

Phenology and Growth Cycle

Kaki trees bloom in early spring, producing small, yellowish flowers. Seed formation occurs in late summer, following pollination. Harvesting takes place in autumn, typically from September to November, when the fruit turns red and reaches full size, making it ideal for identification and use in herbal medicine.

Phylogenetic Relationships

Kaki, or Diospyros kaki, is closely related to species like Diospyros kaki var. kaki and Diospyros kaki var. macrocarpa. It belongs to the genus Diospyros, which is part of the Ebenaceae family. The family is characterized by its drupes, simple leaves, and overall morphology similar to other Diospyros species.