Botanical Identification of Sandalwood (Santalum album)

To identify Sandalwood (Santalum album) accurately, examine its morphological characteristics, taxonomic classification, and diagnostic features.

Sandalwood (Santalum album) Monograph

Scientific Classification

Sandalwood, Santalum album, is classified within the kingdom Plantae, division Magnoliophyta, class Eudicots, order Santalales, family Santalaceae, genus Santalum, and species Santalum album. This classification reflects its role as a flowering plant with specific evolutionary and taxonomic traits.

The following table shows the full taxonomy of this plant.

Botanical Nomenclature and Synonyms

Santalum album is the scientific name for Sandalwood, first described by the botanist Carl von Linné. It belongs to the family Santalaceae and is widely recognized globally. The name reflects its botanical classification and is used in scientific literature worldwide.

Morphological Characteristics

Sandalwood is a small to medium-sized tree with a compact growth habit. Its root system is shallow and fibrous, often forming symbiotic relationships with mycorrhizal fungi. The stem is straight and cylindrical, with smooth, greyish-brown bark. Leaves are simple, alternate, and elliptic, with a leathery texture and dark green color. Inflorescences are axillary, bearing small, fragrant flowers. The fruit is a woody capsule containing aromatic, ellipsoidal seeds.

Diagnostic Identification Features

Sandalwood can be distinguished by its aromatic heartwood, which is pale yellow to reddish-brown and highly fragrant. It has small, dark green leaves with a rough texture and produces small yellow flowers. The plant is often found in dry, open forests, and its unique scent helps differentiate it from similar species.

Natural Habitat and Geographic Distribution

Sandalwood (Santalum album) is native to India, Australia, and parts of Southeast Asia. It thrives in tropical and subtropical climates with high humidity. It prefers well-drained, loamy soils and is typically found at altitudes between 300 and 1,200 meters.

Phenology and Growth Cycle

Sandalwood blooms between April and June, producing small white flowers. Seed formation occurs from July to September. For identification purposes, the tree is typically harvested between October and December when the wood is mature and aromatic.

Phylogenetic Relationships

Sandalwood (Santalum album) is closely related to species like Santalum spicatum and Santalum yasi. It belongs to the genus Santalum within the family Santalaceae. The family is characterized by hemiparasitic plants with reduced leaves and specialized root systems for nutrient absorption.