Botanical Identification of Chamomile (Chamaemelum nobile)

To identify Chamomile (Chamaemelum nobile) accurately, examine its morphological characteristics, taxonomic classification, and diagnostic features.

Chamomile (Chamaemelum nobile) Monograph

Scientific Classification

Chamomile, or Chamaemelum nobile, belongs to the kingdom Plantae. Its family is Compositae, also known as Asteraceae. The genus is Chamaemelum, and the species is Chamaemelum nobile. The division, class, and order are not specified in the provided data.

The following table shows the full taxonomy of this plant.

Botanical Nomenclature and Synonyms

Chamomile, scientifically known as Chamaemelum nobile, is a flowering plant in the Asteraceae family. Its scientific name was first described by Carl von Linné in 1753. This species is also known by several synonyms, including Matricaria chamomilla, which is commonly used in herbal medicine today.

Morphological Characteristics

Chamomile (Chamaemelum nobile) is an annual herb with a branching root system. It has erect, hairy stems that grow up to 30 cm tall. Its leaves are alternate, lance-shaped, and covered in fine hairs. The inflorescence is a single flower head, with white-petaled flowers surrounded by yellow-green bracts. The fruit is a small, dry achene with a pappus for wind dispersal.

Diagnostic Identification Features

Chamomile (Chamaemelum nobile) can be distinguished by its distinctive white, daisy-like flower heads with dark brown central cones. The leaves are narrow and slightly lobed, with a serrated edge. It has a strong, sweet scent and is often found in open fields and along roadsides. It is commonly confused with other chamomile species but can be identified by its specific leaf shape and flower structure.

Natural Habitat and Geographic Distribution

Chamomile (Chamaemelum nobile) is native to Europe and parts of western Asia. It thrives in temperate climates with mild summers and cool winters. It prefers well-drained, sandy or loamy soils. It typically grows at altitudes between 0 and 1,500 meters.

Phenology and Growth Cycle

Chamomile (Chamaemelum nobile) blooms from late spring to early autumn, typically between May and September. Seed formation occurs in late summer to early autumn, around August to October. For identification purposes, the flower heads are most identifiable during the blooming period, making this the optimal time for harvesting.

Phylogenetic Relationships

Chamomile (Chamaemelum nobile) is closely related to other members of the Asteraceae family, particularly species like Anthemis and Matricaria. It shares key morphological and genetic traits with these genera, including composite flower heads and aromatic foliage. Its phylogenetic placement highlights its evolutionary ties to other chamomile-like plants within the sunflower family.