Inula

Inula helenium - Köhler–s Medizinal-Pflanzen-210

Inula helenium

Inula oculus-christi - JBM

Inula conyzae - Köhler–s Medizinal-Pflanzen-192

Inula hookeri (2018) 02

Inula hookeri. locatie, Tuinen Mien Ruys

Inula is a genus of flowering plants in the family Asteraceae. It includes over 100 species, distributed across Europe, Asia, and Africa. Inula species are commonly known as elecampane, horse-heal, or yellow star, and are characterized by their large, daisy-like flowers, which are often bright yellow. These plants are found in a variety of habitats, including meadows, open forests, and grasslands.

Description

Inula plants vary in size from small herbs to large perennials. The leaves are generally large, sometimes hairy, and arranged alternately along the stem. The flowers are composite, consisting of a central disc of small, tubular flowers surrounded by larger ray flowers, which are often mistaken for petals. The fruit is a small achene.

Uses

Historically, Inula species, especially Inula helenium (elecampane), have been used in traditional medicine across various cultures. Elecampane root is valued for its expectorant properties, helping to relieve coughs and respiratory conditions. It has also been used as a digestive aid and has antibacterial and antifungal properties. In addition to medicinal uses, some species of Inula are cultivated as ornamental plants for their attractive flowers and foliage.

Ecology

Inula species play a role in their ecosystems as sources of nectar and pollen for a variety of pollinators, including bees, butterflies, and other insects. They are also host plants for certain species of Lepidoptera.

Conservation

While many Inula species are common and not considered at risk, habitat destruction and overharvesting for medicinal use have led to declines in some populations. Conservation efforts are important to ensure the sustainability of these species in their natural habitats.

Taxonomy

The genus Inula is part of the tribe Inuleae within the family Asteraceae. The taxonomy of Inula has been complex and subject to revision, with some species being moved to other genera within the tribe. Molecular phylogenetic studies continue to clarify the relationships within this group.

Selected Species

• Inula helenium – Elecampane
• Inula conyza – Ploughman's-spikenard
• Inula salicina – Willow-leaved inula
• Inula magnifica – Magnificent inula

Gallery

Note: As per the given constraints, no placeholder images are included.

See Also

• Asteraceae
• Medicinal plants
• Pollination