Description

• Senecio is a large and diverse genus of flowering plants in the daisy family (Asteraceae), commonly known as ragworts and groundsels.

• Species include annual and perennial herbs, shrubs, and occasionally climbing plants.

• Leaves vary considerably among species, ranging from narrow and grass-like to broad, lobed, or fleshy.

• The flowers are typically arranged in clusters of small flower heads, often with yellow, daisy-like florets. Some species have white or differently coloured flowers.

• The fruits are small, dry achenes, usually bearing a tuft of fine hairs that helps disperse them by wind.

• Many species contain pyrrolizidine alkaloids, which can be toxic to livestock and potentially harmful to people if ingested.

Range

• The genus occurs worldwide, with its greatest diversity in southern Africa and other regions with varied climates.

• Several species occur in Mexico, including the region around Zihuatanejo, Guerrero. The exact species present depends on local habitat and identification.

Habitat

• Species occupy a wide range of habitats, including tropical and temperate forests, grasslands, scrub, mountain slopes, rocky areas, and disturbed ground.

• Some grow in open, sunny sites, while others are adapted to woodland edges or cooler, higher-elevation environments.

• In the Zihuatanejo area, suitable habitats may include seasonally dry vegetation, open ground, roadsides, and forest margins, depending on the species.