Botanical Identification of Kari Leaf (Murraya koenigii)

To identify Kari Leaf (Murraya koenigii) accurately, examine its morphological characteristics, taxonomic classification, and diagnostic features.

Kari Leaf (Murraya koenigii) Monograph

Scientific Classification

Kari Leaf, or Murraya koenigii, belongs to the kingdom Plantae, division Magnoliophyta, class Eudicots, order Sapindales, family Rutaceae, genus Murraya, and species Murraya koenigii. This classification places it within the flowering plants, specifically in the Rutaceae family, known for its aromatic properties and medicinal uses.

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

Botanical Nomenclature and Synonyms

The botanical name of Kari Leaf is Murraya koenigii, first described by the botanist Johann Friedrich Koenig. It is also known by several synonyms, including Murraya exilis and Murraya paniculata, though these are now considered outdated. Common names vary, with "Kari Leaf" being widely recognized, while regional and historical names reflect its traditional use in herbal medicine across different cultures.

Morphological Characteristics

Kari Leaf, or Murraya koenigii, is a small evergreen shrub with a compact growth habit. Its root system is fibrous and shallow, adapting to various soil types. The stems are woody and branched, often covered in a white, waxy coating. Leaves are pinnately compound, with 3-5 leaflets that are elliptic to ovate in shape. Inflorescences are axillary clusters, bearing small, yellowish-green flowers. The fruit is a fleshy, red drupe containing a single seed.

Diagnostic Identification Features

Kari Leaf, or Murraya koenigii, can be distinguished by its aromatic leaves with a distinctive lemony scent, trifoliate leaflets, and yellow flowers. It is often confused with Murraya paniculata, but it has smaller, more fragrant leaves and different fruit characteristics. The presence of a strong, citrus-like odor is a key differentiator.

Natural Habitat and Geographic Distribution

Kari Leaf, or Murraya koenigii, is native to South and Southeast Asia. It thrives in tropical and subtropical climates. It prefers well-drained, loamy soils. It is commonly found at altitudes between 200 and 1,000 meters.

Phenology and Growth Cycle

Kari Leaf (Murraya koenigii) typically blooms from March to May, depending on climate and region. Seed formation occurs from June to August. For identification purposes, the leaves are harvested year-round, but the best time is during the monsoon season when the leaves are most abundant and mature.

Phylogenetic Relationships

Kari Leaf, or Murraya koenigii, is closely related to species within the genus Murraya. It shares key traits with other members of the Rutaceae family, such as compound leaves and fragrant flowers. Its phylogenetic position highlights its evolutionary ties to other aromatic plants used in traditional medicine.